Solving system of equation using substitution?

-3x - 8y = 20

-5x + y = 19

A triangle has a base that measures 6.4 feet. It's height measures 5 feet. How many square feet is the area of the triangle?

680,705 expanded form

Out of a food critic, social worker, radio DJ, and a computer game designer which career would you most likely apply concepts from geometry?

4,043. Is the value of the first 4 ten times as great as the value of the second 4.

Solve the inequality. Show your work! - 2+3<11

If a is a nonnegative real number, then which inequality statement best describes a?

Ben Spender writes a $60 check which is retumed by his bank with additional charges. The company he wrote the check to, Art Supply Inc.

In a survey of US women the heights in the 20 to 29 age group we are normally distributed with a mean of 64.2 inches and a standard deviation 2.

Jose received $30 for his birthday and put it in his piggy bank. Each week, he puts 4 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 4w + 30 where w is the number of weeks he has saved 4 dollars.

Mrs. sing bought a pound of green beans for $1.80. How much will Mrs. tennison and pay for 3 1/2 pounds of green beans