The postal service charges $0.34 for the first ounce and $0.21 for each additional ounce. it cost $1.18 to mail your letter. how many ounces does your letter weigh?

What is 5x^2 - 15x - 20

24 disc four display racks hold 32 disc how many racks are needed

Kristyaks Lonnie to think of a number at 3 to it multiply The Sound by two and then subtract 6 letter n stand for Lonnie starting number which expression represents Lonnie's final number

What is the equation of the line that passes through (4, 3) and (2, 2) ? y=2x-2 y=1/2x+2 y=1/2x+1 y=1/2x+2 1/2

If a=4, then 2a + 72.6 - a=

Two systems of equations are shown. The first equation in system B is the original equation in system A. The second equation in system B is the sum of that equation and a multiple of the second equation in system A.

Whats the formula of 90 degrees

Which shows the decimals 23.46, 23.17, and 25.1 written in order from greatest to least?

823 rounded to the nearest ten

Marcia has a 25-year adjustable rate mortgage with a rate of 4.2% for the first 3 years. The monthly payment is $1,805.46. The amount of the mortgage is $335,000.