What is the mean of the set of numbers? {–9, –8, 4, –1} a. –5.5 b. –3.5 c. –2.8 d. 14

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only