Select the correct answer.

Write (3 + 4i) + (8 + 2i) as a complex number in standard form.

A.

5 + 12i

B.

7 + 10i

C.

11 + 6i

D.

11 - 6i

D/9 = 4.3 what is d?

Sheila buys some boxes of pens, with 20 pens in each box. Which expression represents the total number of pens Sheila bought? 20p 20 : p 20-p 20 + p

With the sun at an angle of 30 degrees to the ground, a tree casts an 80 ft shadow. how tall is the tree?

Expressions that have the same value

The data set gives the heights of the workers at a body shop in centimeters. {175, 163, 180, 172, 179, 178, 173, 168, 180, 176, 174, 183, 186, 184, 169} Which of the following is the best measure of the central tendency? a. mean b. mode c. range d.

Jenny recipe called for 2 cups of sugar for 4 dozen cookies. She wanted to make 7 dozen cookies. How much sugar would be needed

The ratio of Mary's downloaded iPad apps to Katie's is 12 to 8. If Katie has 96 apps how many does Mary have?

770 is 70% of what number?

Preform the indicated operation: (2x+1) ^2

What is the solution to the equation? 8x + 4 = - 20 A. x = - 3 B. x = - 2 C. x = 2 D. x = 3