Simutaneous equation by substitution:y+2x=0,4x+y=3 ... solve for x and y

Derek jeter hit 22 home runs one season. If that was only two-thirty-firsts of all the home runs hit by the yankees, how many home runs in all were hit by the yankees in that season?

In 2012, Gallup asked participants if they had exercised more than 30 minutes a day for three days out of the week. Suppose that random samples of 100 respondents were selected from both Vermont and Hawaii. From the survey, Vermont had 65.

The price of a DVD is $19. The price is 12% lower than last week. What was the price of the DVD last week? Round your answer to the nearest cent. Enter your answer in the box.

Daily highs in Sacramento for the past week were: 95, 102, 101, 96, 95, 90, and 92. Develop a forecast for today using a weighted moving average with weights of .6,.3 and. 1 where the highest weights are applied to the most recent data.

4b^2•2b^4=? step by step

a two number digit is chosen at random, what is the probability that the chosen number is a multiple of 7

What is 2/3+3/6+5/9?

Original price of a mountain bike was reduced by 115 FP equals the mountain bikes original price in dollars which algebra expression represents the reduced price

Which set of numbers has 270 as it's least common multiple

Another name for slope is the constant rate of change or speed. True False