Given that ∠a and ∠b are linear pairs, if m∠a = 112° then what is m∠b?

if m∠2 = 25° and m∠3 = 3x + 5 ,

a) x = 25 b) x = 50 c) x = 40 d) x = 100

answerr plzz

What is 1/2 x (6 x 4)+3 + 2 show your work

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

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1