Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 35 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 4.1 mph
B. 7.1 mph
C. 5 mph
D. 7.6 mph
Answer: B
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Determine if the relation is a function.{(-4, -3), (-1, -1), (1, 3), (6, 6)}
A. No B. Yes
Use the graph of the relation to identify the domain and range.y = |x + 4|
A. domain: (-?, ?) range: (-?, ?) B. domain: (-?, ?) range: [-4, ?) C. domain: [-4, ?) range: (-?, ?) D. domain: (-?, ?) range: [0, ?)
Solve and graph.4x - 10 ? -18 and 4x - 10 ? -2
A. [-2, 2]
B. [-2, 2)
C. (-2, 2)
D. (-2, 2]
An urn contains six red, five green, two blue, and seven yellow balls.(a) One ball is drawn. What is the probability it is green?(b) Two balls are drawn. What is the probability both are yellow?(c) Two balls are drawn. What is the probability one is red and one is blue?(d) One ball is drawn and replaced. A second ball is drawn. What is the probability the first is green and the second is red?(e) Three balls are drawn. What is the probability at least one is red?
What will be an ideal response?