Answer:
a=20
Step-by-step explanation:
7+13=20
20-7=13
Answer:
C
Step-by-step explanation:
Because c has the variables in the right spot and the other ones don't make scene
Step-by-step explanation:
Given bi-quadratic equation is:
Substituting
given bi-quadratic equation reduces in the form of following quadratic equation:
Let us factorize the above quadratic equation:
Since square root of a negative number cannot be found, so:

Answer:
it’s C. 0.02,0.2.1/2, 2 1/2
Answer:
A factor, in mathematics, a number or algebraic expression that divides another number or expression evenly, with no remainder. A multiple of a number is any integer multiplied by the number. Try it yourself, now you know the how it works.