Item 7

Solve the system of linear equations by substitution.

-2x-5y=3

3x+8y=-6

solution: (

,

)

R = 2s-6t 5 divided by 2, solve for s

Show the steps in this word problem, A mother is 1 3/4 as tall as her son. Her son is 3 feet tall. How tall is the mother?

The exterior angle of a regular polygon is equal to one third of the interior angle. calculate the number of sides of the polygon and give its name

What is 6 factors of 20

How many times can 2 go into 12

Kylee bought a pack of 12 cookies. one-third if the cookies are peanut butter. How many of the cookies in the pack are peanut butter?

How do you know the opposite of a nonzero integer?

The mileages of cars in a fleet of cars are normally distributed with a mean mileage of 52,000 miles and a standard deviation of 2,000 miles. What is the probability of randomly selecting a car with a mileage less than 52,000 miles?

Round 12,406.4578 to the nearest thousands

Juanita bought a square calculator that has a measurement of 8.2 sq cm on one side. What is the area of the calculator?