4t + 2u2 - u3; t=2 u=1

(I can't input exponents; the second '2' in 2u2 is an exponent, and the '3' in u3 is, too.)

What is the answer to y=-3+5

Is 582 an even number

The resultant of two forces acting on a body has a magnitude of 80 pounds. The angles between the resultant and the forces are 20Á and 52Á. Find the magnitude of the larger force.

What is the initial value of the equation shown? y = - 2x - 5

Square root of 12 added to square root 3

John made a rectangle pen for his dog using 28 feet of fencing. If the width of the pen is 2 feet more than one-half the length, what is the length and width of the pen? The length of the pen is 6 feet 7 feet 8 feet

Brad is practicing the piano. he spends 1/4 hour practicing scales and 1/3 hour practicing the piece for his recital. which number is a common denomination for 1/4 and1/3

Which expression is equivalent to 4 (7 + 8) ? A) 11+8 B) 11+12 C) 28+12 D) 28+32

A number is multiplied by 3. If 3 is subtracted from the product you get 24. What is the number? A. 6 B. 7 C. 8 D. 9

Solve the System of Equations 8x + 15y = - 117 4x + 9y=-75 Write your answer as an ordered pair: (x, y)