In this year's 7th grade class, there are 4 boys for every 5 girls. How many girls are in the class if there are 20 boys in the class?

Which one of the following groups of numbers includins all prime numbers? a) 2,3,5 b) 7,17,63,67 c) 3,11,63,67 d) 1,3,11,23

The solution set for the equation x - 6x + 10 = 0 is {-21,51} B) {3-1, 3 + 1} O {3 - iV19, 3 + iV19} D) {-2 - iV5, - 2 + iV5}

Find the inverse of f (x) = 3x - 2. A) f^-1 (x) = x+2/3 B) f^-1 (x) = x-2/3 C) f^-1 (x) = x - 2/3 D) f^-1 (x) = x + 2/3

A principal of $450 is deposited in an account that pays 2.5% interest compounded yearly. Find the account balance after 3 years rounded to the nearest cent.

If EG = 10 in., FD = 15 in., CH = 8 in., and A F = 10 in., what is the height of the prism?

The circle x2+y2=36 is translated 5 Units left and 4 units up where is the center of the new circle after the translation

The amazon river is 4,000 miles long, The Yangtze river is 3,964 miles long, and the nile river is 4,145 miles long. Write the steps you would use to order the lengths of the rivers, in miles, from greatest to least.

The coefficient in 5m + 8 is 8 true or false

What was considered the greatest American victory of the War of 1812? A) The Battle of New Orleans B) The Battle of Lake Erie C) The Battle of Tippecanoe D) The Battle of Thames

Solve for π in S=2πrh