A stack of 5 pennies weighs 0.0075 kilograms. One kilogram is approximately 2.2 pounds. How many pounds, rounded to the nearest hundredth, does a stack of 100 pennies weigh? Enter the answer in the box.
pounds

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

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.