Brian hiked to the too of city creek in 3 hr and then returned down the canyon to the trailhead in another 2 hr. His speed downhill was 1mph faster than his speed uphill. How far up did he hike?

How many positive integers less than 1,000,000 have the sum of their digits equal to 19?

What is the formula for exponential growth and decay? Y=

The area of a rectangle is 90 ft2. If the rectangle is 9 feet long, what is its width? 7 feet 8 feet 9 feet 10 feet

The sale price of an item is 180 after 25 percent discount is applied what is the original price

Tara and friends order a pizza. Tara eats 3 of the 10 slices and pays $4.20 for her share. Assuming that Tara has paid at least her fair share, write an inequality for how much the pizza could have cost.

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2

Long division 19 divide 23.94