Answer:A,C,D,F
E = z*
The sample size is 93.
The sample size is 310.
The point estimate of the population proportion is 0.4.
The point estimate of the population proportion is 0.75.
The margin of error is approximately 4%.
The margin of error is approximately 6%Step-by-step explanation:
A
distributive property
-4x - y + 2x - 6y
Combine like terms
-2x - 7y
Answer: 31.5 square units
Explanation:
The area of the rectangle is length*width = 7*3 = 21 square units
The area of the triangle is 0.5*base*height = 0.5*7*3 = 10.5 square units
The combined area is 21+10.5 = 31.5 square units
