Select the correct answer. What is the value of this expression when a = 7 and b= -4? 29 - D 3​

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Which of the following is true for the relation f(x)=2x^2+1

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.