Page 645 - Algebra 1

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Multi-Step Ornella hiked 8 miles on easy trails and 3 miles on difficult trails. Her hiking rate on the easy trails was 2.5 times faster than her rate on the difficult trails. a. Write a simplified rational expression for Ornella’s total hiking time.
b. Find Ornella’s hiking time if her hiking rate on the difficult trails was 2 miles per hour.
Find the vertical and horizontal asymptotes and graph y = _1 - 4. x-2
Multi-Step Phone Plan A costs $12 per month for local calls and $0.06 per minute for long-distance calls. Phone Plan B costs $15 per month for local calls plus $0.04 per minute for long-distance calls. How many minutes of long-distance calls would Jenna have to make for Plan B to cost less than Plan A?
a. Formulate Write an inequality to answer.
b. Solve the inequality and answer the question. c. Graph the solution.
United States Flag An official American flag should have a length that is 1.9 times its width. The area of an official American flag can be found by the function
y = 1.9x2. Graph the function. Then use the graph to approximate the width of a flag that has an area of 47.5 square feet.
Multi-Step A rectangular garden that is 25 feet wide has a diagonal length that is 50 feet long.
a. Find the length of the garden in simplest radical form.
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Saxon Algebra 1
b. Find the perimeter of the garden to the nearest tenth of a foot.
The volume of a sphere is V = _4 πr3. Describe in words the relationship between
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the volume of a sphere and its radius. Identify the constant of variation.