Which number sentence has a difference of 5? 8-(-3)
0
-3-8
-3-(-8)
3-(-8)

Solve for x where 0 equation: cot^2x+2cotx+1=0

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?

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle