Which is greater 1gal or 15c the other questions are 1 mi or 2000 yd and finally 100ft or 100mi

What is the solution of the systems of equations? y=2/3x+3 x=-2

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years