If x = 3, what is the value of 2x^2+5x?

^2 means to the exponent of 2.

X-y<3 Do I need to flip the sign?

Wayne measured the width of a marker tip as 0.012 cm. What is the margin of error? a. 0.011 to 0.013B. 0.007 to 0.017C. 0.0125 to 0.0135D. 0.0115 to 0.0125

Volume of a right rectangular prisms the side lengths are 1ft, 2ft, 3ft, 4ft, and 5ft. What is the volume

Which pair of numbers is relatively prime? A. 12 and 25 B. 24 and 45 C. 9 and 24 D. 18 and 39

A 25 foot ladder leans against a wall 7 feet from the base of the wall. How high does the ladder touch?

A penny is 0.061 inch thick. What is the value of the 6 in the thickness of a penny

After 3x - y = 7 is put in slope intercept form, the slope and intercept are: A. m = 3, b = 7 B. m = - 3, b = - 7 C. m = 3, b = - 7 D. m = - 3, b = 7

Write a situation for 15x - 20 ≤ 130 and solve

Using first and second differences, calculate the next three terms in the following sequence. 7, 9, 15, 26, 43, ... A. 67, 99, 140 B. 72, 106, 149 C. 66, 98, 139 D. 66, 98, 141

It costs $135.35 for 15 child tickets to the museum. Adult tickets cost $12.95 each. Find the cost for 40 children to attend along with 5 adult chaperones.