Solve the problem.A bank offers a CD that pays a simple interest rate of 5%. How much must you put in this CD now in order to have $4200 to replace all the windows in your house in 8 years?
A. $2400.00
B. $1200.00
C. $120.00
D. $3000.00
Answer: D
Mathematics
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Solve.The mass of a tumor grows at a rate proportional to its size. The first measurement of its size was 4.08 grams. Seven months later its mass was 6.28 grams. How large was the tumor 6 months before the first measurement?
A. 2.93 g B. 2.71 g C. 2.82 g D. 2.62 g
Mathematics
Replace the polar equation with an equivalent Cartesian equation.r cos ? = 5
A. 5x = 1 B. x = 5 C. 5y = 1 D. y = 5
Mathematics
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.
x - 
y = 3
x + 
y = 2
A. 
B. 
C. Inconsistent, ?
D. 
Mathematics
Write the fraction or mixed number as a percent.
A. 3.8% B. 38% C. 1,000% D. 19%
Mathematics