Hurry it's !

what is the lcm of 3/4 and 7/10? a. 80 b. 40 c. 20 d. 10

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat

The two-way relative frequency table shows the relative frequencies of late-night workers and day workers who do or do not drink coffee. what percent of late-night workers do not drink coffee? enter your answer in the box as a percentage. work late-night jobs work day jobs drink coffee 0.733 0.455 do not drink coffee 0.267 0.545

Harold took five different samples of thirty-five randomly selected students from the 520 students he surveyed. the means of the samples are shown below. sample mean sample 1: 3.4 sample 2: 3.2 sample 3: 4.1 sample 4: 4.6 sample 5: 3.1 the predicted mean of the population will fall between 3.1 and ?