Answer:
a^5.
Step-by-step explanation:
a^12 / a^7 = a^(12 - 7) = a^5.
Hope this helps!
Answer: 118.75
Step-by-step explanation: Add up all numbers first
(4 + 3.5+ 5 + 2 + 4.5) = 19 hours
then multiply 19 by 6.25
to get 118.75
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The expression come -70
given;
In mathematics, multiplication can be represented by using the symbol × or the symbol ·. Moreover, multiplication can be also represented just by leaving the numbers or values side by side without any symbol. For example, the expression 5x + y implies 5 should be multiplied by x. In this context, the expression indicates -73 + 3
it means ; the number 73 substract from 3 and we get - 70.
to know more about mathematical expression;
visit; brainly.com/question/17241535
When we combine numbers and variables in a valid way, using operations such as addition, subtraction, multiplication, division, exponentiation, and other operations and functions as yet unlearned, the resulting combination of mathematical symbols is called a mathematical expression.
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Answer:
c
Step-by-step explanation:c