Cylinder a has a radius of 7 inches and a height of 5 inches. cylinder b has a volume of 490n. what is the percent change in volume between cylinders a and b? (5 points)

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

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

Aline that intersects one of two parallel lines intersects the other also always sometimes never