Find the solution to the equation 8n - 9 = 63.

#12 find the value of x. #13 find the value of the variable.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.