Please Help 24 Points!! Which of the following pairs of complex numbers has the product 7+11i
a. (4-i) and(1+3i)
b. (4-i) and(1-3i)
c. (4+i) and(1+3i)
d. (4+i) and(1-3i)

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2

Leonardo wrote an equation that has an infinite number of solutions. one of the terms in leonardo’s equation is missing, as shown below.