Answer:
prior to
Step-by-step explanation:
Well set it up first. You get: 8.2-(-3.5) so what you do is that you first subtract 8.2-3.5=4.7. Then you want to find out weather it is negative or positive. First point out which one is bigger in this case 8.2 is bigger and a positive so your answer would be positive. Answer: +8.2 or 8.2
Answer:

Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its corresponding sides is proportional
Let
x----> the height of cone B
using proportion

Answer:
6 and 3/4
Step-by-step explanation:
4.5/8=.5625
.5625*12= 6.75 or 6 and 3/4
Answer: The identity is verified. See the explanation.
Step-by-step explanation:
You must keep on mind the following identities:

Therefore, by substitution, you can rewrite the identity as shown below:

Simpliying, you obtain:

The identity is verified.