List the set of ordered pairs that had a domain that consists of multiples of 3 from -3 to 15

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie