Let u and v be subspaces of a vector space w. Define u + v = {z | z = u + v where u ∈ u and v ∈ v} show that u + v is a subspace of w.

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.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?