Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(2 + 3i)(5 - 7i)
A. -11 + 29i
B. 31 + 1i
C. -21i2 + 1i + 10
D. 31 - 1i
Answer: B
You might also like to view...
Solve the problem by estimating.As part of her preparation for soccer tryouts, Karen did 92 sit-ups each day for 46 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten.
A. 45,000 leg lifts B. 1300 leg lifts C. 13,000 leg lifts D. 4500 leg lifts
Points A and B have coordinates (-3, 5) and (4, -3).
(a) Plot A and B on the grid.
(b) Find AB.
(c) Find the midpoint of AB.
Find the LCM of the expressions.3x, xy
A. 3xy B. 2xy C. 4x2y D. 3x2y
Provide an appropriate response.Which of the following is NOT a way to indicate the product "8 times x ?"
A. (8)(x) B. 8(x) C. 8x D. All of these are acceptable forms.