When she was in year 8, Sarah could run 800 meters in 3 minutes and 20 seconds.

Three years later, when she was in year 11, she could run 800 meters in 2 minutes and 40 seconds.

Find the percentage improvement in her time and show your working out.

The sum of three integers is 31. The sum of the first and second integers exceeds the third by 63. The third integer is 54 less than the first. Find the three integers.

A store owner wants to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $17.60 per pound should be mixed with 23 pounds of trail mix costing $3.70 per pound to create a mixture worth $8.47 per pound.

A (c + b) = d solve for c

Jada is visiting New York City to see the Empire State building. She is 100 feet away when she spots it. To see the top, she has to look up at an angle of 86.1 degrees. How tall is the Empire State building?

Target is experiencing the same buying situation! Ahmed bought four packages of toilet paper and three gallons of hand sanitizer for $$27.

Write an expression that represents sarah's total pay last week. represent her hourly wage with w

leroy draws a rectangle that has a length of 11.9 centimiters and a width of 7.6 centimieters. how much longer is the length than the width of leroys rectangle

A bicycle lock requires a two-digit code of numbers 1 through 9, and any digit may be used only once. Which expression would determine the probability that both digits are even? P (both even) - POM). P (both even) = 491) 36) . P (both even) = (PGP).

How do you solve negative exponents

Work out 5 1/2 divided by 2 4/5