Please write out the expression step by step to show why this is true 1. [(2x + 3y)⁴]² = (2x + 3y)⁸

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)