Jacques deposited $1,900 into an account that earns 4% interest compounded semiannually. after t years, jacques has $3,875.79 in the account. assuming he made no additional deposits or withdrawals, how long was the money in the account?

compound interest formula: mc007-1.jpg

t = years since initial deposit
n = number of times compounded per year
r = annual interest rate (as a decimal)
p = initial (principal) investment
v(t) = value of investment after t years

2 years
9 years
18 years
36 years

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?