Giải phương trình sin2 x = 1/2

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)