Perform the following multiplication problems:
a. 4(2x + 9)
b. 2a(5a + 3)
c. 3x(2x + 3y)
d. y(3x + 7y)
a. 8x + 36
b. 10a2 + 6a
c. 6x2 + 9xy
d. 3xy + 7y2
Mathematics
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Solve.David recently switched to a long distance phone company which charges a monthly fee of $5.45 plus $0.07 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
Graph the linear function. Use a domain of 0 ? m ? 300.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
2
A. 
B. 1
C. 2
D. 
Mathematics
Solve the equation.-7x - 6x = -52
A. x = -4 B. x = -39 C. x = 4 D. x = 5
Mathematics
Find decimal notation.
A. 0.286
B. 0.
C. 0.285
D. 0.
Mathematics