Which addition expression

has the sum 8 - 3i?

a. (9 + 2i) + (1 - i)

b. (9 + 4i) + (-1 - 7i)

c. (7 + 2i) + (1 - i)

d. (7 + 4i) + (-1 - 7i)

Round the factor to estimate the products

The variables x and y vary inversely. When y is 5, x is 3. What is x when y is 15?

Find the value of this expresion if x=3 and y=-1

What's the word form and value of 3.100

An excellent swimmer is confident he can judge his speed in the water exactly. He bets he can swim two lengths of a 50-meter Olympic size pool at an average speed of precisely 2 meters per second.

What is the result of converting 6 inches into centimeters

Elizabeth is waiting for her flight at the airport. She decides to conduct an experiment. She wants to know how many people at the airport carry a laptop with them for their flight. She sees 50 people walk past her as she waits.

What is 6.3 : (6.03)

Need steps to solve this problem 5e+8f + (-2) e-12f

You drive 70 miles per hour but then slow your speed by 15 miles per hour. you then return to your speed of 70 miles per hour. which expression shows how your speed changed?