Erica earns $3.60 an hour plus $.30 for each unit produced. One week she worked 40 hours and produced 250 units. What was her weekly wage?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Can someone me and do the problem plz so i can understand it more better