21. An unknown substance from planet X has a

density of 10 g/mL. It occupies a volume of 80

mL. What is the mass of this unknown

substance?

a. 8 g

b ...125 g

c. 80 g

d. 800 g

Evaluate (x^3 y^4) ^5 (2x) ^2

If y=mx+b, what does b represent

A supplier offers a discount on a product bought in bulk. If you buy 240 parts, you get a $5 discount on each part, which reduces the cost to the same as buying 200 parts at full price. How much is each part?

Abdul drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 7 hours. When Abdul drove home, there was no traffic and the trip only took 4 hours.

How many Solutions are in the equation 3n (2n-8) = 24-6n

Irish $900 she spent 22% of this I'm out on the mobile phone how much did you pay for the mobile phone

find three consecutive integers such that three times the third is 102 more than the sum of the first and second

6+6 divided by 6/1-6

If the area is 30 inches. What is the perimeter

You are purchasing jeans and t-shirts. jeans cost $35. and t-shirt costs $15. you plane on spending $115 and purchasing a total of 5 items. how many pairs of jeans and how many t-shirt will you buy