Answer:
2nd Option: 2sec²Ѳ
Step-by-step explanation:
Please see the attached pictures for full solution.
Answer:
Step-by-step explanation:
1: 7/6
2: 3/2
3: 0.000288
4: six tenths
Answer:
You only have to sort (numbers with numbers and variables with variables) then do the operations (+/-).
Step-by-step explanation:

Answer:
72 / 123 * 100 = 58.53658537 per cent
Step-by-step explanation:
Tell whether the product of Prxs and Q5x3 is defined. If so, give the dimensions of PQ.
undefined
defined; 7 x3
defined; 3 x 7
defined; 5 x 5