Amir completed 3/10 of his business presentation this morning and 1/2 of the presentation this afternoon. How much of the presentation does Amir have left to finish this evening? A. 1/5
B. 2/5
C. 2/3
D. 4/5

For [tex]f(x) = 4x+1[/tex] and [tex]g(x) = x^{2} -5[/tex] find [tex](f[/tex] ° [tex]g)[/tex][tex](4)[/tex]

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?