Write all the numbers that round to 50

Is the product of 1/2x-1/4 and 5x^2-2x+6 equal to the product of 1/4x-1/2 and5x^2-2x+6? Explain your answer.

Two cities are 45 miles apart. Two trains, with speeds of 70 mph and 60 mph, leave the two cities at the same time so that one is catching up to the other.

Joan and her brother are saving their money to buy a stereo that costs $250. If Joan has $195.50 and her brother has $58.50, do they have enough money together to buy the stereo?

The solution to the equation x? = 45 is between

For a sample of n = 100 scores, x = 45 corresponds to z = 0.50 and x = 52 corresponds to z = + 1.00. what are the values for the sample mean and standard deviation? m = 31 and s = 7 m = 31 and s = 14 m = 38 and s = 7 m = 38 and s = 14

Find the next three terms of each sequence 2,6,18

Data was collected on the average winter temperature and the number of days with snow of a random group of cities in the United States.

What is x + 1 = 1/2x + 2

Answer to the problem ryan is thinking of a number. when he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his original number. what number is ryan thinking of?

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?