4 formulas which include pi. 2 deal with circles and 2 deal with spheres

How do you figure out what 13 x 379?

The value of the square root of 8 is between which two integers? A: 7 and 9 B: 49 and 81 C: 2 and 3 D: 3 and 4

john is saving money at a constant rate. Suppose he initially has $110 saved and after 2 months he has $160 saved. at what rate is john saving

At the end of the city's annual marathon, each participant completed a questionnaire. The marathon's planner randomly chose 30 of the surveys to review.

Which ratio is proportional to 8 over 18 A. 2 over 5 B. 4 over 5 C. 16 over 26 D. 20 over 45

Henry's calculator is 2 1⁄4 inches wide and 5 1⁄4 inches long. What is the area of the calculator?

How long will it take an object dropped from a window to fall a distance of 78.4 meters?

Alison, the owner of a regional chain of pizza stores, is trying to decide whether to add calzones to the menu. She conducts a survey of 700 people in the region and asks whether they would order calzones if they were on the menu.

What is the completely factored form of x2y - 2xy - 24y?

What is 38.86 rounded to one decimal place, i might have forgot xP