The ratio of the angles in a triangle is 2:3:4. What is the measure of the largest angle?

30°

60°

80°

20°

Find the derivative of f (x) = (arccost) second power

What number must you add to complete the square x^2+2x=18

If a+b = 8, b+c = - 3, and a+c = - 5, what is the value of the product abc?

Suppose you just opened a new credit card that earns 3% cash back at grocery stores and 1.5% on all other purchases. If you spent $326.79 at the grocery store and $581.34 on all other purchases, how much would your cash back be for the month?

If the measure of an angle is 10 degrees find the measure of its supplement?

Which sequence could be partially defined by the recursive formula f (n + 1) = f (n) + 2.5 for n ≥ 1? a. 2.5, 6.25, 15.625, 39.0625, ... b. 2.5, 5, 10, 20 c. - 10, - 7.5, - 5, - 2.5, ... d. - 10, - 25, 62.5, 156.25

Stephen collected 12 more coins than Sariyah. How many coins Sariyah collect?

What is 5/8 - 4/7 but simplified? i dont know how to do it

What is 1/100 of 650

The trapezoid below has an area of 1575 cm. What equation could you solve to find the height of the trapezoid