Answer:
-24.6
Step-by-step explanation:
-3*8.2= -24.6
Answer:
5
Step-by-step explanation:
Using the rule of radicals
×
⇔
, then

= 
=
× 
= 5
area = ( top rule + bottom rule ) × height / 2
area = ( 2 + 3 ) × 4 / 2
area = 5 × 4 / 2
area = 20 / 2
area = 10
Step-by-step explanation:
1.answer is 6.9667738478
2 answer is 42.872454448
3answer is 14.1339764202
4answer is 0.0857449089.