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.

Which expressions are equivalent to - 6+4q + (-6q)

Finn used cups of water to water 4 plants. Each plant received the same amount of water. How much water did each plant receive?

How do you divide 117 and 2.25

Solve for a 6 (a+3) = 18+6a

Solve the problem. The formula d = rt gives the distance traveled in time t at rate r. If a bicyclist rides for 2.3 hours and travels 41 miles, what was her average speed? Question options: a: 38.7 miles per hour b: 5.6 miles per hour c: 17.

a square pizza box has a width of 24 in. What is the area of the largest circular pizza that could fit in the box?

The temperature of a city changed by - 15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week. Write an expression to show the average change in the temperature of the city each week.

The sum of a number and two is equal to the quotient of six and negative four

17 divided by the quantity Z minus 34 what is the expression for the phase

Round 0.9998 to 3 decimal places