Solve.While climbing down a mountain, a hiker climbed from 10,310 feet to 4900 feet in 4 hours. Express his rate of change in altitude in feet per hour as a signed number.
What will be an ideal response?
-1352.5 feet per hour
Mathematics
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Write the equation of the ellipse that has its center at the origin with focus at 
and vertex at 
. Express the equation in standard form.
What will be an ideal response?
Mathematics
Use the division method to find the GCF of the pair of numbers. If the GCF is 1, write "relatively prime."30 and 36
A. relatively prime B. 2 C. 6 D. 3
Mathematics
Find a formula for a n for the arithmetic sequence if a 1 = 4 and d = 7.
a. a n = –7n + 11 b. a n = 7n – 3 c. a n = 7n + 3 d. a n = –7n + 3
Mathematics
Find the domain of the expression.
A. (-?, ?)
B. {
a ? 6}
C. {
a ? -6}
D. {
a ? 2}
Mathematics