Ncircle d, angle adc measures (7x + 2)°. arc ac measures (8x - 8)°. what is the measure of ? 36° 43° 72° 144°

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class