Tại 1 khu dân cư. Tỉ lệ gia đình sở hữu nhà là 70%, sở hữu xe là 45%, cả nhà và xe là 30%. Tính xác suất chọn một gia đình được gia đình đó sở hữu nhà hoặc xe? A.30%
B.55%
C.85%
D.15%

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Select the quadratic that has root x = 8 and x = -5

What is the simplified form of square root of 400 to the 100th power ?