Indicate whether the statement below is true or false. hurry i need answers

A store is offering a 15% discount. Tom wants to know how much he will have to pay after the discount. He can determine this in a single step by multiplying the original price by .85.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!