Catie is starting a babysitting business. She charges $7.00 per hour and wants to save more than $210 so she can purchase a new phone. Write and solve an inequality to find the number of hours that she must babysit to accomplish her goal.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?