PLEASE HELP AND SHOW WORK I RLLY NEED TO PASS Question 6 options:
A triangle has an area of 40 cm². The base and height are scaled by a factor of 4.

The area of the resulting triangle is ___ square cm.

40×4×4=640

b=20 h=4

using formula:

1/2×base×height

1/2×20×4=40

its says scale by factor 4:

b=80 h=16

using formula:

1/2×base×height

1/2×80×16=640

answer>>>>640cm^2

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or