A tepee has a base of 19.5 feet and a height of 16.8 feet. The tepee can hold approximately ___ cubic feet of air. Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Simply 8x squared + 5(7x squared- x) - 2x =