On math homework

you spend 11$ on school supplies. you purchase pencils for $0.25 each and pens for 2$ each. you purchase a total of 30 pencils and pens. how many of each did you purchase?

step-by-step explanation:

x + 4/7

step-by-step explanation:

use cymath

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.