Solve the system of equations using the substitution method.

{4x+5y=7

{y=3x+9

Enter your answers in the boxes.

x=

y=

The country's population 1992 was 147 million in 1996 it was 153 million estimate the population in 2008

What's the least common denominator of 1/2 of 3/7 and 3/5?

What is is the product of 5 and a number x is less than 15. write an inequality

Daniel is on an airplane flying to a destination 825 miles away. After one hour, the pilot announces that the plane is 495 miles away from its destination airport.

A leaf blower runs on a mixture of oil and gas. The ratio is 40 to 1. How many ounces of gas does the leaf blower need for 4 ounces oil?

Linda purchase a prepaid phone card for $30. Long distance calls cost $.17 a minute using this card when do use her card. Linda use her card only to make a long distance call if the remaining credit on her card is $22.

Consider this equation: - 2x - 4 + 5x = 8 Generate a plan to solve for the variable. Describe the steps that will be used.

What is the graph of the function y=2x2^x

Determine the prime factorization of 104. 24• 3 • 5 23• 13 22• 13 22• 5

Is the decimal 0.50 a rational number? Explain.