Solve the system of equations by substitution, if a solution exists.
A. x = 4, y = 5
B. No solution
C. x = -4, y = 6
D. x = 3, y = 6
Answer: A
You might also like to view...
Solve the problem.Suppose that 
= -2. Find 
and 
.
A. 0; 2 B. 0; -2 C. 6; -2 D. -2; 2
Multiply or divide as indicated and reduce to lowest terms.
? 
A. 
B. 
C. 
D. 
Solve.The outside of a water storage tank is in the shape of a sphere. Approximate to the nearest hundredth the volume of the tank with a radius of 15.3 feet. Use 3.14 for ?.
A. 735.04 cu ft B. 14,994.87 cu ft C. 980.06 cu ft D. 11,246.15 cu ft
Solve the problem.You inherit $70,000 from a very wealthy grandparent, with the stipulation that for the first year, the money must be invested in two stocks paying 4% and 10% annual interest, respectively. How much should be invested at each rate if the total interest earned for the year is to be $4000?
A. $30,000 invested at 4%; $40,000 invested at 10% B. $40,000 invested at 4%; $30,000 invested at 10% C. $50,000 invested at 4%; $20,000 invested at 10% D. $20,000 invested at 4%; $50,000 invested at 10%