Answer:
I dont understand what their asking but there are three problems I do know. 2x+5=19 is a equation A=2l+2w is an equation and 3w+4 is an expression.
Step-by-step explanation:
Answer:
1) 5×5×5
2) False
3) False
Step-by-step explanation:
5³ basically means 5 is multiplied thrice, i.e
5 × 5 × 5
4² = 4×4 = 16
4² is 16, not 8
(-3)² = -3 × -3 = 9
-(3)² = -9
Answer:
-72 - 24d i hope this helps! :)
Step-by-step explanation:
distribute the -8 to both the 9 and the 3d
-8 * 3d = -24d
-8 * 9 = -72
-72 and -24d