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.

What are the restrictions of the domain of f (g (x)) ?

It takes 45 minutes or 45 over 60 of an hour to cook a chicken? How many fourths of an hour is that? A. 1 B. 2 C. 3 D. 4

81 is 40.5% of WHAT number 1. 2,000 2. 200 3. 33 4. 330

A school is purchasing snacks for a summer program. The company charges $1.50 per snack plus a fixed delivery charge. There are 25 students who receive a snack. If the school spends $42.25, how much does the company charge for delivery?

Find the mean and range of the following data. 14, 14, 15, 15, 16, 15, 15, 16 A. 12; 15 B. 15; 2 C. 15; 15 D. 12; 2

To find the quotient 2/5 : 1/4 i will give brainliest

What is the gcf and lcm of 24 and 60

For each 90mm of coloured fabric Paul uses to make his curtains, he also uses 10cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form

Put this equation into function notation: y = (1200-2x) / 3

Are the given lines perpendicular? Explain your reasoning. x = - 2, y = 8 x = - 8, x = 7 y=0, x = 0