During the eruption of Mount St. Helens in 1980, debris was ejected at a speed of over 440 feet per second (300 miles per hour). The height in feet of a rock ejected at angle of 75° is given by the equation y() --18°+4258+ S200.
where t is the time in seconds after the eruption. The rock's horizontal distance in feet from the point of ejection is
given by {l) - 113. Assuming the elevation of the surrounding countryside is 0 feet, what is the horizontal distance
from the point of ejection to the where the rock would have landed? Round your answer to the nearest foot.

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

cant

step-by-step explanation: there is no picture

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of