Prove that: c)
12^13–12^12+12^11 is divisible by 7 and 19.
d)
11^9–11^8+11^7 is divisible by 3 and 37.
e)
25^9+5^17 is divisible by 30.
f)
27^10–9^14 is divisible by 24.

Which of the following transformations will always produce a congruent figure?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?