Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab
B. 8ab
C. 4a + 4b
D. 4a + b
Answer: C
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Solve the problem.A person plans to invest a total of $70,000 in a CD at 4% annual interest and a mutual fund that has a 3-year average annual interest of 10%. Let x and y represent the money (in dollars) invested in the CD and the mutual fund, respectively. How much money should be invested in each account to earn a total of $4000 in one year?
A. $40,000 invested at 4%; $30,000 invested at 10% B. $20,000 invested at 4%; $50,000 invested at 10% C. $30,000 invested at 4%; $40,000 invested at 10% D. $50,000 invested at 4%; $20,000 invested at 10%
Decide whether ?, ?, both, or neither can be placed in the blank to make a true statement.{4, 5, 6} {3, 4, 5, 6}
A. ? B. Neither C. ? D. Both ? and ?
Simplify the expression using the order of operations.
- 4
A. 44 B. 240 C. 239 D. 231
Use your calculator to find sin ? and cos ? if the point 
is on the terminal side of ?.
?
A. sin ?= 0.8, cos ? = 0.6 B. sin ? = 0.6, cos ? = 0.8 C. sin ? = 0.6, cos ? = -0.8 D. sin ? = -0.6, cos ? = -0.8 E. sin ? = -0.6, cos ? = 0.8