A mixed fraction, expressed in lowest terms, is in the form a b/c

The fraction is halved and then 3/4 is added

The result is 1 9/20

find the values of a, b, and c

pleaseee help me

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2