What are the answer to these problems 1. -5-3(-2-3w)-4 = 2w+4-2(-7-5w)

2. -0.4-0.8(6t+8) = -0.7(8t-4)

3. 10+0.2b-6+0.6b = 0.4(b-6)

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Which expression is the factorization of x^2+10+21