Which equation has infinitely many solutions? A
}(62 - 12) = 2(4 – 2)
B
}(48 + 8) = 2+ 8
С
3(20 – 7) = 6(3 - 4) – 3
D
5(c + 1) = 30 + 2(x + 1) + 4

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?