What is the best estimate for the product of 279 and 7

the length of one leg of a right triangle is 6 feet. the length of the hypotenuse is 2 ft longer than the other leg. Find the length of the hypotenuse in the other leg.

Mitch scored 4 out of 5 on a quiz. Demetri scored 8 out of 10 on a quiz. Did Mitch and Demetri get equivalent scores?

Theo wants to buy a pair of roller blades that originally cost 49.99. if they are on sale for 25% off and theo must pay 5.5% sales tax, what amount will theo pay for the blades

What is (9x^2-21x-20) / (x-4)

A semicircle has the diameter of 14cm find the perimeter

Matthew has a small bag with 12 m& ms in it. 5 of the m& msare yellow 2 are green. 1 of them is orange. 4 are brown. what fraction of the m& ms are brown

What is the sum of 3x^2+4 4x-4

Calcula el volumen de una pirámide de altura 3cm cuya base es un cuadrado de lado 4cm

A ball is kicked straight up into the air. The height of the ball in feet is given by the expression - 16t2 + 12t + 4, where t is time in seconds. Factor the expression. Then find the height of the ball after 1 second.

Find all the solutions to the equation: |cos2x|=1/2