9 letter math term riddle

Which expression illustrates the associative property of addition? (3 + 19) - 12 = (3 + 12) - 19 3 + (19 - 12) = 3 + (19 + 12) (3 + 19) - 12 = 3 + (19 - 12) 3 + (19-12) = 3 - (19 + 12) DONE

The height, in feet, of a t-shirt launched from a t-shirt cannon high in the stands at a football stadium is given by h (x) = -16x^2+64x+80, where x is the time in seconds after the t-shirt is launched.

Find a positive number x such that the sum of 36x and 1 x is as small as possible.

Five less than the product of two and a number, n

What is the number64*40=?

A triangle inscribed in a semicircle identified as a what triangle?

Out of a sample of 970 car owners, you find 261 that made their purchase primarily based on brand loyalty.

Which direction is mahikeng from taung

Erin has two pieces of cord, one 12 feet long and the other 18 feet long. She wants to cut them up to produce many pieces of cord that are all of the same length, with no cord left over.

A rental car costs $36 for one day plus an additional $0.42 per mile. What is the cost of renting a car for one day and driving it 78 miles?