Mr. Griffin's class is studying the solar system. The circumference of the Earth at the equator is about 24,900 miles. Express this number in scientific notation.

Solve for x in the equation x^2-4x-9=29? x=2 + / - squareroot 42 x=2+/-squareroot 33 x=2+/-squareroot 34 x=4+/-squareroot 42

Gerry is looking to buy a new car and finds one she likes for $1,000. The dealership is currently offering 15% off. How much money will Gerry save if she buys the car? Select one: A. $15 B. $985 C. $850 D. $150

Value of x, - 5x-15>10+20x

You are going to sell lemonade this summer. You paid a total of $10 for lemons and sugar. You spent $0.10 on each cup. You plan to charge $0.50 for each cup sold. How many cups must you sell to break even?

Add 5 and 14, triple the sum and then add 4/5

How do you put this into an equation 10 time the sum of half a number and 6 is 8?

1.62 rounded to the nearest tenth

5x^2=14 in standard form

what is a+1 1/4=2 7/10 solve each equation.

Tell whether the sequence is arithmetic. If it is, what is the common difference? 19, 11, 3, - 5