Which expression is equivalent to 4 (2x + 1) - (-6x)?

f. 14x + 4
g. 8x - 2
h. 2x + 4
i. -14x - 4

show steps pls!

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?