1) “Reduce the following expressions.” A) 4r-3s [ 7-( -5-2r ) +( 7 - 2s )
B) 3x - [(2x1) - ( 3x -4x +5)] - (-8x -y +3)

Match each polynomial with its factorization.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base