In the following questions, simplify the given formulae:

2. sin50°cos 40° - cos50°sin 40°

3. cos75°cos 15° - sin75°sin 15°

What are the differences between calculating a percent, proportion, and rate?

Item 18 You buy 6 pounds of apples for $33. What is the cost of 10 pounds of apples? The cost of 10 pounds of apples is $.

The local high school held a fundraiser for the new gym. The school had expected to raise $15,000. However, they had overwhelming support and collected $27,000. What percent of the expected amount was collected?

Find the domain of the function f (x) = x+5/3-x

PONU, 9. A swimming pool was filling with water at a constant rate of 200 gallons per hour. The pool had 50 gallons before the timer started. Write an equation in standard form to model the situation.

Elisa withdrew $20 at a time from her bank account and withdrew a total of $140. Francis withdrew $45 at a time from his bank account and withdrew a total of $270. Who made the greater number of withdrawals? Justify you answer

A spinner has 8 sections. 2 are grey 6 are blue. The spinner is spun twice what is the probability that the first lands on grey and the second lands on blue.

You deposit 800 dollars into your savings account how much simple interest will 800 dollars earn in 6 months at 7.25%

Expand And Simplify (3x+4) (2x+3)

A rectangle's base is 7cm longer than its height. The rectangle's area is 98cm.