Solve the system of equations by substitution.

x+y=18

y=8x

What is the answer of 289:7

How do find the absolute of - 54

Write a story problem that includes both integers - 8 and 12

A car travels at a speed of s miles per hour. It covers 126 miles in 3 hours. The equation that can be used to find the value of s is

54.00 for tickets write a unit rate for the situation

Tony plans to deposit $1,000 at the end of each of the next three years. if his funds earn 5% compounded annually, how much will he have at the end of three years?

It is believed that the minimum number of calories required for the average female to avoid starvation is 1200 calories. The brain requires about 12% of the calories. How many calories does the brain require?

Moshe is playing cards and is grouping the cards that have already been played by suit (hearts, clubs, diamonds, and spades). Moshe is using what type of encoding?

A bag with 26 tiles with the letters A through Z. Find the probability of drawing two vowels with replacement

The floor at a roller skating rink is 72.25 feet long and 51.5 feet wide. How much longer is the rink than it is wide? A 671.0 ft B 67.10 ft C 21.25 ft D 20.75 ft