For every 2 hours that Tina spends studying, she often spends 10 hours on the phone. If Tina spent 65 hours on the phone, how many would you expect her to spend studying

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

How do i find the missing angle measure in a polygon