Michael is purchasing back to school supplies. He gets a math workbook for $19.88, a calculator for $35.97, and a pack of pencils for $8.27. How much did he spend on school supplies?

$64.12

Step-by-step explanation:

Michael is purchasing back to school supplies. He gets a math workbook for $19.88, a calculator for $35.97, and a pack of pencils for $8.27. How much did he spend on school supplies?

The amount that he spent on school supplies is calculated as:

Cost of math workbook + Cost of a calculator for + Cost of a pack of pencils for

$19.88 + $35.97 + $8.27

= $64.12

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

the infinity sign

step-by-step explanation: