Simplify the expression (3 + 7i) (3 - 7i).

A. 40

B. 58

C. 9 - 21i

D. 9 + 21i

A researcher is interested in whether the color of an animal's surroundings affects learning rate. she tests 16 rats in a box with colorful wallpaper.

What is 1/5,0.1,-1/2,-0.25,0.3 ordered from least to greatest

I Just Bought Yeezies For 90 Percent Off! Also: 2c x 45c divided by 3 when c is 15. I will show you how to get them for 90 percent off!

Which operation is necessary to convert a smaller unit to a larger unit A addition B subtraction C multiplication D division

Find the root (s) of f (x) = (x + 5) 3 (x - 9) 2 (x + 1). - 5 with multiplicity 3 5 with multiplicity 3 - 9

Naomi played her guitar for 18 hours this week. she played songs she already knew for 6 hours. she spent x hours learning a new song. the equation x 6 = 18 models this situation. how many hours this week did naomi spend learning the new song?

Solve for x in the equation x2-12x+59=0.

A fossil is found that contains 10% of the amount of carbon - 14 found in a living being. About how old is the fossil? A) 19,200 years B) 15,300 years C) 17,600 years D) 20,700 years

A train travels 132 miles in 3 hours. What is its average speed in miles per hour?

Find the surface area of a grapefruit with circumference of 14 cm