Different fuels produce different amounts of heat energy when burned. For example propane has a heat energy of 2,470 btu/ft^3 how much energy can propane tank with a volume of 43.7 ft^3 produce

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

answer: i don't understand. what are the options

step-by-step explanation:

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

answer: x=3 and y=4

step-by-step explanation: