50 tens times 4 hundreds equals 40 tens times 5 hundreds true of false?

What is the slope of the line that passes through (4,0) and (8,-1)

Joanna pays $40 plus a $2 surcharge each month for her high-speed Internet service. Which table BEST represents the relationship between m, the number of months, and t, the total amount Joanna pays for the service?

Christopher's backyard is in the shape of a trapozoid. The bases of his backyard are 30 and 40 feet long. The area of his back yard is 525 square feet. Write and solve an equation to find the height of Christopher's back yard.

Solving a Story Problem Involving Slope Mary and Julie both have a goal of raising $1000 for charity. Mary raises $12 every 4 days. Julie raises $19 every 6 days. Will Mary or Julie reach her goal first? Explain.

A toy store's percent of markup is 35%. A model train costs the store $70. Find the markup. $45.50 $24.50 $200 $94.50

A person has $1 bills and $5 bills. She has $108 from 32 total bills. Find the number of $1 bills and $5 bills that she has.

Choose an American Adult at random. The probability that you choose women is 0.25

Let x be a standard normal random variable. find p (-1.20 < x < 1.74). express your answer as a decimal.

To estimate the annual salary for a given hourly pay rate, multiply by 2 and insert "000" at the end. Sample: $10 per hour is about $20,000 per year. Explain why this works. Assume the person is working 40 hours a week:

Sal and Jen went to the store together, and each bought the same car stereo. Sal used a card to make the purchase, and the full amount was immediately withdrawn from his bank account.