Find the product.
4 • (–9) • (–3) • (–1)
–81
–108
81
108

Find the value of the variable and the length of each secant segment

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

Charlie tosses five coins.what is the probability that all five coins will land tails up.