Given b = {a, l, g, e, b, r} and c = {m, y, t, h}, find b ∪ c. {} {a} {a, b, e, g, h, l, m, r, t, y}

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)