Simplify. 3/4−4z+5/4z−1/2+1/2z enter your answer in the box.

for an experiment, the temperature of a liquid must stay above 60°f . the starting temperature of the liquid is 90°f . it is placed in a cooler, which lowers its temperature 3°f each minute.

let m represent the number of minutes the liquid is in the cooler.

which statement determines how many minutes the liquid can stay in the cooler?

the liquid must be in the cooler fewer than 10 minutes.

the liquid must be in the cooler fewer than 15 minutes.

the liquid must be in the cooler fewer than 30 minutes.

the liquid must be in the cooler fewer than 60 minutes.

write and solve an equation.

on monday anna picked some apples. on tuesday she picked 15 more apples than on monday.

if anna picked 32 apples on tuesday, how many apples, a, did she pick on monday?

solve for a.

enter your answer in the box.

Describe how the presence of possible outliers might be identified on the following. (a) histograms gap between the first bar and the rest of bars or between the last bar and the rest of bars large group of bars to the left or right of a gap higher center bar than surrounding bars gap around the center of the histogram higher far left or right bar than surrounding bars (b) dotplots large gap around the center of the data large gap between data on the far left side or the far right side and the rest of the data large groups of data to the left or right of a gap large group of data in the center of the dotplot large group of data on the left or right of the dotplot (c) stem-and-leaf displays several empty stems in the center of the stem-and-leaf display large group of data in stems on one of the far sides of the stem-and-leaf display large group of data near a gap several empty stems after stem including the lowest values or before stem including the highest values large group of data in the center stems (d) box-and-whisker plots data within the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data within the fences placed at q1 â’ 2(iqr) and at q3 + 2(iqr) data beyond the fences placed at q1 â’ 1.5(iqr) and at q3 + 1.5(iqr) data beyond the fences placed at q1 â’ 1(iqr) and at q3 + 1(iqr)