In 2013, a wildfire near Yosemite National Park burned about 400 square miles of forest. If one square mile equals 640 acres, about how many acres of forest were burned? Show your work.

15pts! Without graphing, determine whether the system x - 3y = 11 and 2x - 6y = - 5 has one solution, no solution, or infinitely many solutions.

Solve the trigonometric equation such that 0 ≤ x ≤ 2?. Round to three decimal places. √5 cos (x) - 2 = 0

1. Describe how the area of a triangle is related to the area of a parallelogram with the same base and height.

According to his GPS, it will take Lanny 1 hour to travel 40 miles. Which expression shows how to determine the speed in miles per hour? 40 miles : 1 hour 1 hour : 40 miles 1 mile : 40 hours 40 hours : 1 mile

A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. The total volume of the solid is 6 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area.

The weather report predicted that the low temperature would be - 8 degrees fahrenhit. the radio announcer said the low temperature was 5degrees colder than predicted what was the low temperature in degrees fahrenheit

4000 is 1/10 of what number

Charles has 3/5 the amount of money Di has. How much money does charles have if Di has $6 more than him?

Which value is a solution to the inequality? 7x+18>-3 a) - 5 b) - 4 c) - 3 d) - 2

A sinking fund is being established the goal of which is to reach $100,000. Calculate the payment where i is the interest rate per period. N = 22 i=.03