Owen and his children went into a restaurant were they sell hot dogs for $4 each and tacos for $2.50 each. Owen has $60 to spend and must buy a minimum of 18 hotdogs and tacos altogether. If x represents the number of hotdogs purchased and y represents the number of tacos purchased, write and solve a system of inequalities graphically and determine one possible solution.

Could somebody me with this radical simplification?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?

Consider the quadratic equation ax^2 +bx+5=0 , where a,b, and c are rational numbers and the quadratic has two distinct zeros.if one zero is irrational , the other zero is