Which of the following expressions represents the solution to -2 x ≤ -10?

x ≤ -5
x ≤ 5
x ≥ -5
x ≥ 5

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a