Which equation could be used to solve the following system?
x+y=11 4x^2-3y^2=8
a. 4(y + 11)2 – 3y2 = 8
b. 4(11 – y)2 – 3y2 = 8
c. 4(y – 11)2 – 3y2 = 8
d. 4(–11y)2 – 3y2 = 8

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

What is the slope of the line shown below?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1