(system of equations)
at a restaurant, the cost for a breakfast taco and a small glass of milk is $2.10. the cost for 2 tacos and 3 small glasses of milk is $5.15. what is t, the cost of a taco, and m, the cost of a small glass of milk?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Select a graph that have an equation with a < 0