Find the vertex of this parabola y=-5x^2-10x-13

Sharon has 72 beads. She has twice as many sphere beads as cylinder beads. How many of each kind of bead does Sharon have? How did you solve the problem? How can you check your check.

Estimate of sum 1.5 and 6.8

Find the median for the data set: 6, 56, 50, 172, 151, 137, 180, 66, and 172.

Write an equation of the line that passes through (3,5) and is perpendicular to the graph of y=-3x+7. Write your final equation in slope-intercept form.

Solve the mathematical puzzle. Determine the digits of R from these clues. The first digit is the answer when the third digit is divided by 2. The second and third digits add to 7. The second digit minus the first digit is 1.

Which group was charged the highest rates by the railroads during the late 19th century? a. bankers b. farmers c. factory owners d. immigrants

The equation 17 = 2 - 4n is true when n =

Given the Formula E equals IR what is the formula for r

What is 3h^2 = h^2 + 18

What is the next fraction in 15/100,3/10,45/100,6/10,75/100