180g of copper is mixed with 105g of zinc to make an alloy. The density of copper is 9g/cm^3 and the density of zinc is 7g/cm^3. Work out the volume of copper used in the alloy.

Is a six sides of a number cube are labeled 1 2 3 4 5 & 6 you flip a coin and roll the number two in theory what is the probability that the coin lands on heads and you roll a number greater than 4

Jim has 19{,}700/text { g}19,700 g19, comma, 700, start text, space, g, end text of sand in his sandbox. He brings home another 6{,}300/text { g}6,300 g6, comma, 300, start text, space, g, end text of sand from the beach to add to his

Potential energy is stored energy. True False

Find the next three terms. 10, 15, 20, 25, ...

What is 5 percent of 400

If 52x=1 what is the value of x

Which number is rounded to the nearest thousand correctly? A. 43,264 → 43,300 B. 123,987 → 125,000 C. 567,489 → 568,000 D. 56,471 → 56,000

Question 2 (short fill-in) Evaluate the expression: 53-122+25 Enter your answer as a number, like this: 42

Triangle m is also a scaled copy of s the scale factor from s to m is 3/4 what is the scale factor from m to s

A recipe for muffins calls for 1/2 quart of buttermilk, 1/3 quart of skim milk, and 1/16 quart of oil. How many total quarts of liquid ingredients does the recipe call for?