Answer:
2,5
Step-by-step explanation:
Answer:

Step-by-step explanation:
To solve this problem we need to write the mixed fraction as a fractional number, as follows:


Then, evaluating the expression:
×
=
= 
Answer:
The center is (2, -7)
Step-by-step explanation:
A circle is given by
(x-h)^2 + (y-k)^2 = r^2
where(h,k) is the center and r is the radius
(x - 2)^2 +(y + 7)^2 =169
(x - 2)^2 +(y - -7)^2 =13^2
The center is (2, -7) and the radius is 13
Answer:
see explanation
Step-by-step explanation:
Consider perfect squares on either side of 73, that is
64 < 73 < 81 , then
<
<
, that is
8 <
< 9
Teds minimum grade he needs on his third test is 65
85 + 60 + 65 = 210
210 divide by three (as there are three tests) = 70