Al usar la suma inferior para aproximar el area bajo la grafica de h(x)= 1-x^2, sobre el intervalo [0, 1] con 5 recangulos, el area obtenida, es 0.75u^2

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

I’m still confused on how to work the percentages