On a test, the multiple choice portion makes up 80% of the final score and the essay portion makes up 20% of the final score. tanya scored an 86 on the multiple choice portion and a 93 on the essay portion of the test. what was tanya's test score? enter your answer as a decimal in the box. will mark brainliest

What is 20+(5 x 2/5 )+ 3 show your work

How many solutions does the nonlinear system of equations graphed below have?

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?