Which expression is equivalent to (2-√-4) + (1+√-49) ?

3-5i

3+5i

8+0i

-2+0i

A rectangle backyard has length (3a+2b) m and breadth (3a-2b+c) m. 1) find the area of backyard. 2) If a=4, b=2, c=3, then find area of backyard

What are the values of a, b, and c in the quadratic equation 0 = 1/2x² - 3x - 2? a = 1/2, b = 3, c = 2 a = 1/2, b = - 3, c = - 2 a = 1/2, b = 3, c = - 2 a = 1/2, b = - 3, c = 2

Jason invests $1000 at a bank that offers 3% compounded annually. Write an equation to model the growth of the investment

A stop sign is shown. each side measures 12.4 inches, and the distance from any side to the opposite side is 30 inches

Find The percent equivalent to each fraction. 3/4 4/5 7/10 5/8 13/40

1/5x - 2/3y = 30, when y = 15

They've invested to earn $20 in a savings account that offer 3% return on the investment the value of david's investment will be at least $400 after a period of

The bacteria took 1 hour and 40 minutes to fill the initial bottle. Explain how it only took 10 minutes to fill 3 additional empty bottles. What did you include in your response? Check all that apply. The full bottle doubled after 5 minutes.

What is the width of a rectangle with length 25in and area 375in

A photo of a painting measures 13 inches by 17 inches. The scale factor is 1/3. What size is the painting?