The second number is 2 times the first number. what is an equation for this? (x is the first number and y is the second)

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

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

Indicate the formula for the following conditions: p^c(n,r)=