Need with #11-#12 also i have to draw a triangle

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Which diagram shows lines that must be parallel lines cut by transversal?

Translate the algebraic expression shown below into a verbal expression. fraction with variable x in numerator and 6 in the denominator. the sum of six and some number the product of six and some number the quotient of some number and six the difference of six and some number