What is the math expression for the product of 12 and y increased by 11

An expression to represent the product of 12 and y all increased by 11 would be 12y+11. The reason for this is the question asks for the product of 12 and y, which would be represented by 12y. Then, the problem asks to add 11 to the product which would be represented by +11. This would result in 12y+11.

The correct option is 4. The measure of minor arc BD is 100°.

Step-by-step explanation:

Given information: ∠BCA=40° and ∠BCD is a circumscribed angle of circle A.

Since ∠BCD is a circumscribed angle of circle A, therefore the line AC bisects ∠BCD.

Let the measure of minor arc BD be x. So, the measure of major arc BD is 360-x.

According to the properties of intersection of arcs outside the side the circle,

The measure of minor arc BD is 100°. Therefore correct option is 4.