Which of the following is the conjugate of a complex number with 2 as the real part and 7 as the imaginary part?

a. 2 + 7i

b. - 2 - 7i

c. - 2 + 7i

d. 2 - 7i

Use examples to show that multiplication and division are inverse and.

Miguel's teacher asks him to color 4 8th of his grid he must use 3 colors red blue green there must be more green sections than red sections how can Miguel color the sections of his grid to follow all the rules?

What makes a unit rate a unit cost?

The annual yield per walnut tree is fairly constant at 140 pounds per tree when the number of trees per acre is 20 or fewer.

Mike drove 20 miles in a half hour. What is his unit rate in miles per hour?

The ratio of girls to boys in the grade is 7 to 8. If there are 140 girls, how many boys are there

How does the volume change as each layer is added

El area de un rectangulo de lados 0,0005m y 0,003m es

840, 180, 40, 10, ... Which correctly describe the graph of the geometric seguence? Select two options. The graph will show exponential growth. The graph will appear linear The domain will be the set of natural numbers.

Light travels at a speed of about 186,000 miles per second. Sound travels at a speed of about 1,087 feet per second. How many times does light travel faster than sound?