Zack looks at the clock and sees the hands have made a 150° angle. He realizes he has 2 hours before basketball practice starts. Which could be the angle formed by the hands of the clock when practice starts? A. 170°
B. 190°
C. 210°
D. 240°

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Translate the algebraic expression shown below into a verbal expression. fraction with variable x in numerator and 6 in the denominator. the sum of six and some number the product of six and some number the quotient of some number and six the difference of six and some number

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9