One month, Ruby worked 6 hours more than isaac, and Svethlana worked 4 times as many hours as Ruby. Together they worked 126 hours. How many hours did each person work?

Sarah is filling a glass sphere with decorative sand. the radius of the sphere is 2 inches. which is closest to the minimum amount of sand sarah needs to completely fill the glass sphere?

A car can go 310 on 20 gallons gas. What's your cars gas mileage (miles per gallon). How far could you drive on 55 gallons of gas

Without performing the calculations, which expression equals the greatest value? A) 5x (9-8) B) 7 x (9-8) C) 9x (98) D) 10 x (9-8)

A triangle has two sides that measure 5cm and 7cm. which of the following could measure of the third side A 3cm yes no B 5cm yes no C 7cm yes no D 12cm yes no

If charlene brewster has times of 8.4, 8.6, 8.3, 8.5, 8.7 ans 8.5 and a performance rating of 110% percent, what is the normal time for this operation? is she faster or slower then normal?

The expression 6x^2 gives the surface of a cube and the expression x^3 gives the volume of a cube where x is the length on one side of the cube. find the surface area and the volume of cube with a length of 2 m.

The minimum monthly payment for Andrew's credit card is 2% of his balance or $20, whichever is higher. If Andrew's balance at the end of his last billing cycle was $870, what is his minimum monthly payment?

Express the given complex number in the form r (cos θ + i sin θ) = reiθ. 3 - i

Given are the lengths of two sides of a triangle. Find the range of lengths for the third side 7,10

A pig weighs 9.8 pound convery the pigs weight to ounces