7. HIKING The graph relates temperature y (in degrees Fahrenheit) to altitude x
(in thousands of feet).
a. Find the slope and y-intercept.
b. Write an equation of the line.
c. What is the temperature at sea level?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?