<span>A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling.
</span><span>Mathematical modeling results in formulas that give exact values of real world phenomena over time.</span>
829 is rounded to 830 because the 9 is greater than 4 so its going to be rounded up.
Adventitious roots , which sprout off stems under water or just above water surface.
Answer:
Question one = 35a - 15
Question two = 9
Step-by-step explanation:
Distributive property means to multiply all the numbers inside the parenthesis
by the outside number. 5 x 7a equals 35a and 5 x 3 = 15.
35 x 9 - 315 - 15 = 300
A = 9
