What integer represents the change in the amount in her account if Anya withdraws $12 once each day for four days?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.