Arectangular prism is 4 units high, 2 units wide, and 6 units long. what is its surface area in square units?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?