The function f is defined by f(x)= 3x-4 , for what value of k is f(k)+ f(2k) = 0?
give method and logic too if possible!

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

What is the area of this figure. select from the drop down box menu to correctly complete the statement shows a rectangle 3in. by 16in. and a trapezoid center is 10 in. by 5 in. answers are 128 136 153 258