Three brothers were doing their summer reading. The oldest brother read 48 pages of a book in 60 minutes. The middle brother read 18 pages in 14.4 minutes. The youngest brother read 5 pages in 4 minutes. Which brothers are reading at the same constant of proportionality? Write an equation to represent the situation

Solve the system of equations. y= 2x y= x^2 - 15

Given that abcd is a rhombus, what is the value of x?

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.