How do I have the quotient for 5 divided by 7/8

Bob likes to prepare personal pizzas. He begins with a circle of dough that is 12 inches in diameter. On top of the dough, he places slices of salami. All of the slices are round and have a 4-inch diameter.

Given r (x) = 3x+2, fins r (3)

7: Jim, Kelly, and Samantha sold fundraiser tickets for the band. Jim sold 10 more tickets than Samantha. Kelly sold 15 fewer tickets than Jim. They sold a total of 65 tickets. How many tickets did each band member sell

If Gigi and Bella combined their weekly pay they would make $55. Gigi's weekly pay is $5 more than Bella's weekly pay. Find the weekly pay for Gigi and Bella.

A class of 30 students took midterm science exams. 20 students passed the chemistry exam, 14 students passed physics, and 6 students passed both chemistry and physics. Which Venn diagram correctly represents this information?

The water level at lake penny changed - 1 1/10 in this year. Its predicted to change another - 1 2/5 the second year. Whats the total change that will accur in 2 years

A 50-ft chain with mass density 5 lb/ft is initially coiled on the ground. How much work is performed in lifting the chain so that it is fully extended (and one end touches the ground) ?

What is the circumference of the circle if the diameter is 5 inches

Find 2 consecutive positive integers such that the square of the second integer added to 4 times the first is equal to 248

A candle is 6 inches tall and burns at a rate of 1/2 inche per hour