K(x) = 5x-6
(k+k)(x) = k(x) + k(x) = 5x-6 +5x-6
just plug in x = 4,
(k+k)(4) = 5(4) -6 + 5(4) -6
thats your answer, the last option.
Answer:
20 (.8) = 16
Step-by-step explanation:
It takes him 16 minutes to walk to school.
This is because 80% as a decimal is .8 and you multiply that by how long it takes Person A to walk and you get 16.
Seven groups with 8 people in each group
Answer:
1° and 89°
Step-by-step explanation:
(x + 88°) + x = 90°
2x + 88 = 90
2x = 2
x = 1°