What expression is equivalent to 2x+9-x+3? show your answer is correct by substituting a value for x.

Y= m = B X=X b= 2) Shakira went bowling with her friends. She paid $3 to rent shoes and then $4.50 for each game of bowling. If she spent a total of $21, then how many games did Shakira bowl?

When you know the sine of an angle you can find the measure of the angle in degrees by using the inverse sine sin^-1. Describe how to find the inverse sine of the number n on your calculator.

How do scientists infer the presence of black holes since they can't be directly observed?

Joel took of an hour to do his chores. It took Halley the time it took Joel to do his chores.

Solve the triangle if B = 78° and a=41. Round to the nearest tenth.

The sum of two numbers is 90. their difference is 12. what are the numbers?

Stat crunch in a random sample of 200 adults, what is the probability that less than 33 % have no credit cards?

There are 2.54 centimeters in an inch. when using this conversion factor, how many significant figures are you limited to?

How many 4 letter words can be formed from the alphabets?

What is the common factor of this term 6xy^2 = (3x) (?)