An exercise class had 20 people. if each person produced 2,200 btus of body heat during the class and the room is 30 ft × 40 ft × 15 ft, how many btus per cubic foot did they produce? (to the nearest hundredth) a) 0.12 btus/ft3 b) 1.83 btus/ft3 c) 2.44 btus/ft3 d) 36.66 btus/ft3

Choose the graph that matches the following system of equations: 7x + 2y = −6 6x − 7y = 21 a line includes points negative 2 comma 4 and 0 comma negative 3. a line includes points 6 comma 2 and 0 comma negative 3 a line includes points 0 comma negative 3 and 6 comma 2. a line includes points negative 2 comma 1 and negative 3 comma 4 a line includes points 0 comma negative 3 and negative 1 comma 4. a line includes points 0 comma negative 3 and negative 1 comma 3 a line includes points 0 comma 3 and negative 1 comma negative 3. a line includes points 0 comma negative 3 and negative 2 comma 4.

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41