Charmaine's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs charmaine $4.10 per pound, and type b coffee costs $5.60 per pound. this month's blend used four times as many pounds of type b coffee as type a, for a total cost of $1007.00 . how many pounds of type a coffee were used?

number of pounds of type a coffee:

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct