Marci mailed 9 letters at the post office. each letter weighed 3.5 what was the total weight of the letters that marci mailed?

What is the value of the expression when a = 5 and b = 2? a + 2b - 3 6 9 11 24

Chiken is on sale for $1.99 pero pound. The most you can spend is $20, and you must buy a whole number of pounds. How many pounds of chiken can you buy?

The population of Philadelphia in 1990 was 1,585,577. In 2010 the population was 1,526,006. What is the percent change the population.

Why wont the opposite of a postive number never be a postitive number

Which of the following is a function? a. { (-4,1), (1,8), (-4,-2) } b. { (-4,1), (1,-8), (-2,-2) } c. { (-4,1), (1,-8), (1,-2) } d. none of these

2. During a 5-day training at your department, the number of visitors tripled each day. If the training started on a Monday with 345 attendees, what was the attendance on Thursday?

If prices increase at a monthly rate of 3.8 %, by what percentage do they increase in a year?

The fifth graders took a trip to the atlanta zoo. eighty three kids went on the field trip. adult tickets were free. we had to pay a 5.00 dollar parking fee. our total bill for entering the park was 586.00.

What 1.00 divided by 1.200

the radius of a circle is 10 using pi which equation expresses the ratio of the circumference of the circle to the circle's diameter