Answer:
(+5) and (-9)
Step-by-step explanation:
(+5) + (-9) = -4
(+5) × (-9) = -45
Answer:
4 tacos
Step-by-step explanation:
according to the converse of triangle proportionality theorem, 7 beans is equivalent to 5 bananas, so if we took 2 away we would be left with 4 tacos, not apples because an apple a day keeps the doctor away and we are in a pandemic right now
Answer:
The surface area of the square prism is 
Step-by-step explanation:
we know that
The surface area of the square prism is equal to

where
b is the length side of the square base
h is the height of the prism
In this problem we have


substitute

Answer:
concrete operational stage
Step-by-step explanation:
Have a look at the attached photo below, it may be your full question:
The concrete operational stage is the third phase in Piaget's cognitive development theory. This period spans the period between childhood, it begins around 7 years of age and continues until about 11 years of age and is characterized by the development of logical thinking.