How do I solve this system using substitution: y = x - 7; 2x + y = 8

Which are zeros of the following polynomial? 6x 2 - 11x - 10 = 0

If a population consisted of 70,000 people, a sample of the population could consist of which of these numbers of people? O A. 700,000 B. 7,000,000 O c. 70,000,000 O D. 7000

The area of San Bernardino County, California, is the largest county in the United States, is about 3 to the 9 power square miles. Write this as an expression. What is the area of San Bernardino County?

How many drops of water are in a 1.0 liter bottle? Note: estimate the diameter of your droplets.

A bus took a seven hour trip and traveled 330 miles. The speed was 54 mph for the first part of the trip, and then decreased to 30 mph for the second part of the trip. How many hours were traveled at each speed? 54 and 30

What percent of 75 is 18.75

What does - 2 (x+3) = 4x-3=?

Solve for t. 3t - 12 < - 3 and - 6t <12

17. Given: f (x) = 3x - 5, find f (-1) 18. Given: g (x) = - 5x + 2, find g (4)

Express 90 as the product of its prime number in order