For a science assignment, Mary had to compare the weight of two objects - a paper clip and a plastic block. The paper clip weighed 0.92 grams and the plastic block weighed 1.7 grams. How much more does the block weigh than the paper weight? A. 0.078 g

B. 0.78 g

C. 78 g

D. 780 g

Solve the inequality. write the inequality in interval notation. 9(t-2)> 3(t-7)

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6