Suppose about 400,000 people live in an area of 160 square miles. What is the best estimate for the population density? A) 1,800 people per square mile B) 2,000 people per square mile C) 2,200 people per square mile D) 2,500 people per square mile

Use exponents to write an expression for one billion

Liam has ten apples. he gives 5 away to his friend cherry. how many apples do liam have left?

Suppose that normal human body temperatures are normally distributed with a mean of 37°C and a standard deviation of 0.2°C. What percent of humans have a temperature between 36.6°C and 37.4°C?

Classify the trapezoid in as many ways as possible

1. At the grocery store checkout, you watch at the register as it rings up your purchases and coupons. The prices were as follows: $2.95 $1.19 $4.61 $1.74 $3.04 $8.83 $1.16 - $0.75 (coupon) - $1.00 (coupon) The register gives your total bill as $21.

What is the prime and composite number of 47 31 92 63 57 135

What is the amplitude of the sinusoid given by y=-5sin (7x) ?

Frank buys p pounds of oranges for $2.29 per pound and the same number of pound ls of apples for $1.69 per pound. What does the expression 2.29p + 1.69p represent?

This net consists of a square and 4 identical triangles. What is the surface area of the sold this net can form? Not drawn to scale

What times what equals 36