Kara and Ian went shopping for apples, a, and bananas, b. Kara bought 6 apples and 5 bananas for $4.54. Ian bought 3 apples and 7 bananas for $3.17. Their purchases can be modeled by the system of equations below. 6a+5b=4.54
3a+7b=3.17

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

4 puzzles in 3 hours

step-by-step explanation:

i think the answer would be c