if you were to solve the following system of equations by using a matrix, which of the following would be your coefficient matrix, 4x-3y=7 x+5y=13

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?