In january mary starts off with $50 in her checking account. during the month she deposits $235.50 and writes a check totaling $45.50. at the end of the month she decides to take half of the money left in the account and deposit it into her savings account. how much did she deposit in her savings account?

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

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.

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is