In a lab, a substance was cooled by 20°c over a period of 5, hours at a constant rate. What was the temperature in each hour?

Maria wants to buy a trophy and engrave her son's name on it. At Trophies Unlimited, trophies cost $12 each and engraving costs 40¢ per letter, while at Centerpiece Trophies, trophies are $12.50 each and engraving is 30¢ per letter.

an element with mass 670 grams decays by 21.8% per minute how much time is remaining after 15 minutes

What time 5 equals 100?

What is the distance between ... d 0 and a?

What is the approximate value of √65? A. Between 6 & 7 B. Between 7 & 8 C. Between 8 & 9 D. Between 9 & 10

A boy walks 1000 m at an average speed of 4 km / h and then runs 22 km in 10 minutes. A) Calculate his time in minutes he takes to walk the I000 m B) his running speed in kilometres per hour C) his average speed for the whole distance

Solve for x. 5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6 A. 5 5/12 B. 6 1/2 C. 6 7/12 D. 7 1/2

A shape is made with two squares. the total area of the shape is 25 square meters. one of the squares has an area is 9 square meters. what is the area of the others square?

Create a fraction that is equivalent to 3/4 explain the steps you took to create your fraction

What is the area of a square with a radius of 9 cm