Answer:
The value of the expression at b = -2 is thus -6
Step-by-step explanation:
We have been given the expression;

and we are required to evaluate the expression for b = -2
We simply substitute b with -2 in the given expression and simplify;

Answer:
-5.5
Step-by-step explanation:
1. -3.1 + (-7.2) + 4.8
remove parentheses
add/subtract the numbers.
-3.1-7.2+4.8 = -5.5
32.4*0.69=22.149
...
45=3*3*5, 63=3*3*7 The greatest common factor is the product of shared primes of the numbers prime factorization. In this case 3*3=9 is the product of shared primes so the greatest common factor is 9
Answer:
diameter= 13cm
radius= 6.5 cm
Step-by-step explanation:
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