Simplify the expression:

(7 + 9i) (8 - 10i)

56 + 2i + 90

56 + 2i - 90i^2

97 + 72i

146 + 2i

Patrick works a 40-hour week at $10.70 an hour with time and a half for overtime. Last week he worked 45 hours. What were his total earnings for the week?

Benton has an extension ladder than can only be used at a length of 10 feet, 15 feet, or 20 feet. he places the base of the ladder 9 feet from the wall and needs the top of the ladder to reach 12 feet.

Add parentheses to the expression so that its value is 45: 5 * 4 + 8 - 3 5 * (4 + 8 - 3) 5 * (4 + 8) - 3 5 * 4 + (8 - 3) no parentheses are needed

Associative property for 70*6000

which of the following does not describe a rigid motion transformation? A. translating a figure 4 units up B. enlarging a figure by a scale factor of 2 C. rotating a figure 180 degrees D. reflecting a figure across the y-axis

Question It takes Jan twice as many hours to walk 6 miles as it takes Bev to walk 4 miles. What is the ratio of Jan's average walking rate to Bev's average walking rate?

A cube has a surface are of 3750 find the length on one side

What is the similarity ratio of smaller to the larger similar pyramids v=343 and v=1331

How far is the director if he hears the drumbeat in 0.40 seconds? The speed of sound is 330 m/s

Which statement correctly describes dependent events? Two events are dependent if they have no outcomes in common and cannot occur at the same time. O Two events are dependent if they have outcomes in common and can occur at the same time.