Show that cos2x + 1 = 2cos2 x. Use the "^" key on the keyboard to indicate an exponent. For example, sin2 x would be typed as sin^2x.

Replace the? in each of these statements with the symbol >, <, or =. a. 39? 38 b. 16? 16 c. 11? 315 d. 5? 4

7. Find the common difference of the arithmetic sequence. 25, 18, 11, 4, ...

Nathan is buying a cell phone for his business. The regular price for the cell phone is $179. If he buys the phone in the next 2 weeks he gets a 20% discount. What will be the sale price if he buys the phone tomorrow.

The Guptas figured out the earth was round by observing lunar eclipses. a. True b. False

What is the probability of choosing a burrito with cheese and a taco or a wrap with salsa?

If 1 6 of a gallon of milk is shared equally between 3 friends, how much mIf 1 6 of a gallon of milk is shared equally between 3 friends, how much milk will each friend getilk will each friend get

There are 276 plan in the flower garden what is 276 rounded to the nearest ten?

13 out of 60 people surveyed what angle in a pie chart would you use?

A toy company produces rubber balls that have a radius of 1.7 cm. A sphere has a radius of 1.7 centimeters. What is the volume of one rubber ball? Round to the nearest hundredth of a centimeter.

Translate this sentence into an equation. 33 is the product of Jenny's height and 3 Use the variable to represent Jenny's height.