What does the y-intercept represnt

How do I subtract 3 - 1 2/7

A survey asks a simple random sample of 500 adults in Ohio if they support an increasbin the state sales tax from 5% to 6%, with additional revenue going to education. Let p-hat denote the proportion in the sample who say they support the increase.

Eli's office recycled a total of 12 kilograms of paper over 6 weeks. After 9 weeks, how many kilograms of paper will Eli's office have recycled

How many radians does the second hand turn in 2.5 minutes

Explain the relationship between the slope and the derivative of f (x) at xequals=a

Which two ratios form a proportion?

There were 149 angelfish and goldfish in an aquarium. There were twice as many guppies as angelfish. After selling 35 goldfish, there are half as many goldfish as angelfish. How many fish are left in the aquarium?

Which statement can be concluded using the true statements? If a quadrilateral has 4 equal sides and 4 equal angles, then it is a square. If a figure is a square, then each of its angles must measure 90 degrees

Maxine works at an amusement park. She recorded the number of ice cream cones sold each day, along with the high temperature in fahrenheit degrees. Usinger her data, she wrote a linear regression equation of y=9x-487.

Running consumes about 720 calories per hour about how many are used if you run for 40 minutes