Which equation is true when q = 1/2? a. 10q - 1/2 + 4 1/2
b. 15 1/2 - 8q = 3 3/4
c. 20q + q + 2 1/2 = 12 1/2
d. 25 1/2 + 6q - q = 28 1/2

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.