Look at the steps used to solve the equation below . Which mathematical property justifies the work between steps #3 and 4 step#3 10x + 0 =40 +4 step #4 10x =40+4

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 reflexive property of congruence lets you say that ∠pqr ≅

Twelve less than a number is at most 20