How are expressions and equations different

Tina buys a car to travel to college. The car manual gives consumption as7.0litres per 100km. Petrol costs£1.10 per litre. Tina drives a total of 20 miles each day on 5days each week. Tina pays £1.20 each day to use the college car park everyday.

Write a linear equation in slope-intercept form or standard form to represent each situation. Then, explain why your choice is the best representation. Mary is selling popcorn for $5 per bucket and hotdogs for $4.75 each.

Simplify 5 to the 5th over 5 to the 8th. 1 over 5 to the 3rd power 53 1 over 25 1 over 5 to the negative 3rd

Y varies inversely with X. When X=5, Y=4, What is the value of Y when X increases to 7.

The volume of a cylinder is 75 pie cubic inches. yhe cylinder gas a hight of 3 inches. what is the radius of thr base of the cylinder

F (x) = - 3x^2 - 5 g (x) = 2x - 5 Find f (2) x g (6)

37/28 as a mixed number

Find the value of x in the equation 2√ x + 20 = 15 + 3√ x A. 16 B. - 5 C. 25 D. 1

Select two ratios that are equivalent to 8:20

Kyra has a rock collection. When she puts her rocks into 2 equal piles, there are no rocks left over. When she puts her rocks into 3 equal piles, there are still no rocks left over.