Solve the system of equations by the elimination method.-5x - 4y = 2-15x - 12y = -6
A. no solution
B. infinitely many solutions
C. (10, 8)
D. (-10, -8)
Answer: A
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Find the value of the specified finite sum.Given 
= -4 and 
= 10, find 
.
A. 40 B. 14 C. -14 D. -16
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
Which major was the choice of nearly 
of the students?
A. Science B. History C. Math D. English
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-3p6q6r6)5
A. -15p11q11r11 B. (-3)5p11q11r11 C. (-3)30p30q30r30 D. (-3)5p30q30r30