What is the sum of the first five terms of a geometric series with A1 equals 20 and R equals 1/4

A van is traveling 1.5 kilometers per minute. Approximately how fast is the van traveling in miles per hour?

The perimeter of a semicircle is 20.56 yards. What is the semicircle's radius?

Write a quadratic equation, in standard form, that has roots 8 and 11.

Which expression is equivalent to the given expression? 13 (19 - x) a. 13 • 19 - 13x b. 13 • 19 - x c. 1319 - 13x d. 13 + 19 - 13 + x

Factor Completely 8x^2-8xy-6y^2

Two numbers sum to 53. Twice the first subtracted from the second is 8. Find the numbers.

Angle ABD measures (4x + 10) o. Angle ACD measures (5x - 2) o. Circle E is shown. Angles A B D and A C D intercepts arc A D. Angles B A C and B D C intercepts arc B C. What is the measure of arc AD? 12° 58° 96° 116°

Solve this system of equation using substitution y=2x-4 x+2y=10

What is the solution to the open sentence? 8y + 7 = y + 21 A. 2 B. 4 C. 7 D. 14

Use two mixed numbers to write an equation with a sum of 4 and 1 forths