Triangle D E F is shown. Angle D E F is a right angle. The length of hypotenuse D F is 33.8, the length of D E is 23.5, and the length of E F is 24.3. Determine the unknown angle measures of △DEF. Round to the nearest degree. M∠D = ° m∠F = °

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

What is the gcf of 20c^3-5c^4+30c^6