Solve the system 
by using the inverse of an appropriate matrix.
Fill in the blank(s) with the appropriate word(s).
x = -3, y = 5
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Factor out the GCF from the polynomial.48p + 12q - 12
A. 12p(4 + q - 1) B. 12(4p + q - 1) C. 12(4p + q) D. no common factors
Solve.Find the intersection: {-5, -2, 3, 6} ? {3, 6, 8}.
A. {-5, -2, 3, 6, 8} B. {-5, -2, 3, 6} C. {3, 6} D. {3, 6, 8}
Write the English phrase as an algebraic expression. Let the variable x represent the number.Seven times a number, increased by eight
A. 7x - 8 B. 7 + 8x C. 7x + 8 D. 7x + 56
Solve using Cramer's Rule.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 1000 gallons of gasohol containing 10% alcohol?
A. 417 gal 5%, 583 gal 12% B. 714 gal 5%, 714 gal 12% C. 50 gal 5%, 120 gal 12% D. 286 gal 5%, 714 gal 12%