Some people advise that in very cold weather, you should keep the gas tank in your car more than half full. Irene's car had 6.5 gallons in the 14-gallon tank on the coldest day of the year. Irene filled the tank with gas that cost $3.80 per gallon. How much did Irene spend on gas?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

What would the rule be for the reflection of y=-3

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is