What is twice 2^30? write using exponents

Suppose you want to determine the number of miles you can drive in your car. Your car gets 28 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds.

Juan is spinning a wheel with 4 unequal spaces marked with values of $200, $300, $400, and $600. The probability of landing on $200 is. The probability of landing on $300 is. The probability of landing on $400 is.

What is 145.45 repeating subtracted by 1.45 repeating

Describe the house around 678 to the nearest hundred

Lee is thinking of two Numbers, the product is 18. the quotient is 2

A number z is fewer than 3/4

2y + 6=3y+8 Verify it and explain step by step?

For every 140 feet that Kelly rides on her bicycle, the wheels turn 20 times. About how many times do the wheels turn in 5 miles?

What is the value of y in the sequence below? 2, y, 18, - 54, 162

What is 1/3 of an hour?