Solve the equation sin(xº - 20°) = cos(42") for x, where 0 a.28 b.68 c.62 d. 22 reset

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square