Please I need the answer quick.

Find the solutions for a triangle with a =16, c =12, and b = 63º

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

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