Tina’s preschool has a set of cardboard building blocks, each of which measures 9“ x 9“ x 4“. how many of these blocks will tina need to build a wall 4 inches thick, 3 feet high, and 12 feet long?

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

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).

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much