Please answer got brainliest and heart

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

What is the period of the sinusoidal function ?

Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer