Solve the equation.
y - 1 = 7
A. -32
B. 32
C. -34
D. 34
Answer: B
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Factor the expression completely, if possible.49a2 - 56ab + 16b2
A. (7a + 4b)2 B. (7a - 4b)2 C. (7a - 4b)(7a + 4b) D. Does not factor
Richter scale Use the formula 
In October 2004, an earthquake measuring 6.8 on the Richter scale occurred in Japan. The largest quake in Japan since 1990 was one in 1993 that registered 7.7. How many times more severe was the 1993 shock than the one in 2004 on the Richter scale?
a. 0.6 times as severe b. 4.4 times as severe c. 7.9 times as severe d. 8.3 times as severe e. 11 times as severe
Graph the given function. Identify the vertex and the intercepts.y = x2 + 5x + 4
A. Vertex: 
x-intercepts: -1 and -4
y-intercept: 4
B. Vertex: 
x-intercepts: -1 and -4
y-intercept: 4
C. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4
D. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4
Solve the problem.A retail store buys 175 VCRs from a distributor at a cost of $210 each plus an overhead charge of $25 per order. The retail markup is 30% on the total price paid. Find the profit on the sale of one VCR.
A. $63.04 B. $62.96 C. $63.00 D. $6304.00