Which equation represents a quadratic relation?

a) y = 4x^2

b) y = 4x

c) y = 4x + 4

d) y = x^3

A tourist calculated that if he walks to the railroad station with a speed of 4 mph, he'll miss the train by half an hour, but if he walks with a speed of 5 mph, he'll reach the station 6 minutes before the departure of the train.

What is the subject and predicate of nico ran all the way home

What is the exact area of a circle with a diameter of 64 m? 4096π m2 1024π m2 64π m2 32π m2

Write your own problem choose a secret number. write clues about the number using the words is grater than and is lesser than

A bag can hold 23kg of sand. how many bags can be filled with 735 kg of sand. how many kilograms of sand will be left over

What is the value of the expression 3972 : 12

A 1,152-foot tree has grown at a constant rate each year. In the equation below, t is the age of the tree in years. 24t = 1,152

The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 43 minutes of call is $19.84, and the remaining credit after 65 minutes of call is $17.20.

Find the second term of this sequence? 3n^2-1

Is 7.5 less or greater then 7.05