7 classes because $32 -$25 = 7 (where $25 is for one month, and the 7 is how much is left over of the total and 1 class = $1 dollar)
D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction
Answer:
155
Step-by-step explanation:
5*5=25
((5*13)/2)*4=130
130+25=155
complementary angles = 90 degrees
two angles would be BGC (35 degrees) and CGD ( 55 degrees)
35+55 = 90
Answer:
damm its tuff to not know anything
Step-by-step explanation: