At the beginning of a science experiment, Caleb found the temperature of a solution to be 31°C. During the experiment, the change in the temperature of the solution was -17°C.
What is the final temperature of the solution?

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

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?