A commuter has $245 in his commuter savings account. This account changes by - $15 each week he buys a ticket. In one time period, the account changes by-$240. For how many weeks did the commuter buy tickets?

How to enter a vertical line on a graphing calculator?

Given u = (1,-1,3) and v = (-4,5,3) find ordered triple that represents 3u-2v

Determine the hypothesis and the conclusion of the conditional statement: If it is raining, then I am wearing my rain boots.

The minimum number of triangles needed to construct a polygon is 4. Which is the name of the polygon? A) octagon B) hexagon C) heptagon D) quadrilateral

Use mental math to approximate what a 15% tip would be for a bill of $31.99. a. $3.20 b. $4.80 c. $5.60 d. $6.40

6:2 1/4 what is the anwser

For a fundraiser adam earned $45, which is 7times aa much as Lana earned. How much did Nancy earned?

In a certain community, eight percent of all adults over age 50 have diabetes. If a health service in this community correctly diagnosis 95% of all persons with diabetes as having the disease and incorrectly diagnoses ten percent of all persons

Alison wants to find the total cost of buying 4 adult admission tickets to an amusement park. identify the input and output

Mary rolls a die. What is the chance of her rolling a three?