Change the mixed number to an improper fraction.7
A. 
B. 
C. 
D. 
Answer: A
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Translate to a system of three equations, then solve.A company sells nuts in bulk quantities. When bought in bulk, peanuts sell for $1.20 per pound, almonds for $2.65 per pound, and cashews for $3.50 per pound. Suppose a specialty shop wants a mixture of 400 pounds that will cost $2.93 per pound. Find the number of pounds of each type of nut if the sum of the number of pounds of almonds and cashews is four times the number of pounds of peanuts. Round your answers to the nearest pound.
A. Peanuts: 270 lb., almonds: 80 lb., cashews: 50 lb. B. Peanuts: 80 lb., almonds: 50 lb., cashews: 270 lb. C. Peanuts: 90 lb., almonds: 50 lb., cashews: 260 lb. D. Peanuts: 50 lb., almonds: 270 lb., cashews: 80 lb.
Collect like terms.3x + 7x
A. 10x B. 21x C. 20x D. 10x2
Identify the coordinates of each point labeled in the figure. Name the quadrant in which each point lies, or state that the point lies on the x-axis or y-axis.
A. A(4, 6) in quadrant I; B(0, -5) on the y-axis B. A(-4, 6) in quadrant II; B(0, 5) on the x-axis C. A(4, 6) in quadrant I; B(0, 5) on the y-axis D. A(4, -6) in quadrant IV; B(1, -5) in quadrant IV
Simplify the exponential expression. Assume that variables represent nonzero real numbers.
A. 
B. 
C. 
D. 