Thermal engery increase by 400j and 1100j were add to system how much work?

2.333 ... rational or irrational

a rectangle has a perimeter of 18 inches. a new rectangle is formed by doubling the with W in tripling the length L as shown the new rectangle has a perimeter P of 46 inches

If 4x = 8, then x = 2.

Shaila and her sister Sarah are babysitting three Kids for 5 hours. If the parents pay $2.50 per hour for each kid, how much will Shaila an sharah each make

1. Determine the value of y, if x is 5 for the function y = x2 - 9.

Ed spent 8.5 percent of his savings on lunch which cost 5.25 how much did he have in his savings before lunch

2. Simplify the expression - 4 (x - 7) + 3 (x + 9)

Shawna reduced the size of a rectangle to a height of 2 inches what is the new width of it if it was originally 24 inches wide and 12 inches tall

Expand (2b + 7) squared + (2b-7) squared

Which fraction is greater 2-4 or. 2-6