Name a pair of vertical angles

a. < 2 and < 5
b.< 2 and < 6
c.< 3 and < 4
d.< 5 and< 6

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.

One x-intercept for a parabola is at the point (1,0). use the factor method to find x-intercept for the parabola defined by the equation y=-3x^2+5x+2