URGENT URGENT PLEASE

Question 15: x = 17

Question 16: area = 5610 units

Step-by-step explanation:

Question 15:

The perimeter is the sum of all sides of a triangle.

It is given that the perimeter is 374 units.

Add all the like terms.

Subtract 17 from both sides.

Divide by 21 from both sides.

Question 16:

The area of a triangle can be found by using the following formula:

(where a is the area, b is the base, and h is the height)

Using the value of x you just found previously (17), you can calculate the base and height by substituting 17 with x in their respective equations.

Now that you found the base and height, substitute the values, 134 and 75, into the area of a triangle formula.

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.