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Find the product of these complex numbers.

(4-5i) (1-i) =

A. - 1-9i

B. 9+9i

C. 9-9i

D. - 1+9i

Write the number equal to 5 tens a d 13 ones

Find the unknown. 531 = ( * 6) + 21

A rocket was launched into the air from a platform above the ground. The height, in feet, of the rocket above the ground t seconds after being thrown can be determined by the expression - 16t+64t+80. What does the 80 in the expression represent?

In right triangle JKL, m < J = 90 degrees and tan k = square root of five over 4. Find the length of the hypotenuse

15% of what number equals 12?

jaxon earned $90 at his job when he worked for 9 hours. what was his hourly pay rate in dollars per hour?

The cost of a circus ticket is $8. There are y people in a group who want to go to the circus. Which of the following expressions describes the total amount of money the group will need to go to the circus? 8 - y (8) (2) y + 8 8y

Solids X and Y are similar. X has volume of 64 cm3 Y has volume of 729 cm3 The surface area of X is 208 cm2 Work out the surface area of Y.

Which is greater 1.25 or 12.5

I know the 90 percent number so how do i find the 100 perent number