Shelly biked 21 miles in 4 hours. What is shellys average speed in miles per hour? At the same rate how many hours will it take Shelly to bike 42 miles?

If you know a factor of a number, can you find another factor? Explain

Which pair of numbers is relatively prime? A. 42 and 77 B. 34 and 55 C. 45 and 102 D. 99 and 123

The triangles below are similar. Triangle S R P. Angle S is 54 degrees, R is 41 degrees, P is 85 degrees. Triangle X Y Z. Angle X is 54 degrees, Z is 41 degrees, and Y is 85 degrees.

The circumference of a circular frisbee is 20 centimeters. If we multiply the radius of the frisbee by 5, what will be the circumference of the new frisbee? OA) 981 cm OB) 100 cm OC) 1451 cm OD 2007 cm

5 15. A term with no variables, that's value remains the same is a

Cassidy's goal is to raise more than $75 for charity. She has already raised $6. Now she is selling cupcakes for $3 each to reach her goal. Let c represent the number of cupcakes Cassidy needs to sell to reach her goal.

5 out of 8 cameras sold in a store are digital they sold 72 cameras how many digital discthey sell

Simplify completely 25 w to the sixth power over 10 w to the third power divided by 30 w squared over 5 w.

Multiply the polynomials. (2x+6x+6) (3x-2)

Fraction as a decimal round to three decimal place 4/10