Asap i’m really confused 1.evaluate: if a= 42 and b=2, then find ab -84 -40 -21 -20 2.the sum of 1 and 6, divided by 7. -(1+6)/7 -1/7+6 -1-6/7 -1+6/7 3. write an algebraic expression for the the words phrase. 40% of x -0.40/x -0.40+m -0.40x -0.40-m

What could explain what happened when the time was equal to 120 minutes

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

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