20x+40=100

solve for x

x=

Triangles ABC and DBC have the following characteristics: BC is a side of both triangles ∠ACB and ∠DCB are right angles AC ≅ DC Which congruence theorem can be used to prove △ABC ≅ △DBC?

Kate sets a goal to walk 3 miles every day for a year. How many miles more or less than 1,000 miles will she walk in the year? A. 33 miles less B. 95 miles more C. 33 miles more D. 95 miles less

The relative frequency of a car travelling through a road junction having exactly two occupants is 0.26. If 5,000 cars are observed passing through the junction, how many of the cars could be expected to have only two occupants?

3. At the bank, Sheila made 6 deposits, each in the same amount. Her sister Sherri made 5 deposits, each in the same amount. Each of Sherri's deposits was $10 more than each deposit Sheila made. Both sisters deposited the same amount in the end.

Which is the simplified form of n Superscript negative 6 p cubed?

What is 2/9b=1/3b-7 the answer

You have baked 48 cookies. You want to keep 12 for your family, the rest you want to split between 9 friends. How many cookies will each friend receive?

A pole-vaulter uses 15 foot-long pole. she grips the pole so that the segment below her left hand is twice the length of the segment above her left hand. Her right hand grips the pole 1.5 feet above her left hand. How far up is her right hand?

This year fifth grade collected 216 fewer plastic containers than the fourth grade. How many plastic containers did the fifth grade collect

Bruce has a pet worm that fell into a well. The well was 37 feet deep. Each day, the worm climbs up 7 feet, but each night, it slides back down 2 feet. How many days will it take Bruce's worm to get to the top of the well?