50ptss! what is the simplified form of this expression? (-3x^2+x+5) - (4x^2x)

A. x^2-x+5

B. 7x^2+3x-5

C. - 7x^2+3x+5

D. - x^2+3x-11

1/2 less than what over 20

Ceramic tiles sell for $13.08 for a box of 12 tiles. Find the price per tile.

Find the sum of the following situation: A hang glider descended 33.57 feet, and then ascended 14.98 feet.

A racecar driver completed three laps in the Times shown below. 38.28 second, 38.9 seconds, and 37.83. What was the total time, in seconds, that it took the driver to complete all three laps?

It's the 6th day of autumn and the first leaf has fallen! If the number of leaves on the ground is quadrupling with each passing day, what is the total number of leaves that have fallen to the ground by the end of the 18th day of autumn?

Solve 3x2 18x 15 = 0 by completing the square. a. 3 (x 3) 2 = 6; x = - 3 square root 2, x = - 3 - square root 2 b. 3 (x 9) 2 = 12; x = - 11, x = - 7 c. 3 (x 3) 2 = 12; x = - 5, x = - 1 d.

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Square root of one hundred and twenty three

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Brenda deposits $500 in a savings account that pays a simple interest rate of 2.5% per year. How much internet will Brenda earn after 18 months