The expression sin 50 cos 40 + cos 50 sin 40 is equivalent to

Based on the pattern, what are the next two terms of the sequence? 9, 9/5, 9/25, 9/125, 9/625, ...

The rectangle is 22cm along the base The sides of this rectangle are in the ratio 4 : 3. If the longest side is 22 cm, what is the rectangle's perimeter? (Remember that perimeter is the sum of all sides.)

Find the height of a parallelogram with an area of 224 square meters and a base of 16 meters

What is the nth term for the sequence 5, 11, 19 29, 41, ...

You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability P (I) as a fraction, a decimal, and a percent.

What is the value of x and y of this problem X-3y=10

How many solutions (using only nonnegative integers) are there to the following equation? x1 + x2 + x3 + x4 + x5 = 35

What is thirty eight feet and six inches divided by four

15 is 4% of what number?

7/9 x 2/5 = what does 7/9 times 2/5 equal