10 tenths in a whole.....
Answer:
A) 
B) 
Step-by-step explanation:
A) You can add these expression because they contain the same square root:

B) Same as above:

Answer:
7 times 12 is 84
15 x 15 = 225
29 x 29 = 841
99 x 99= 9801
1000 x 235= 235000
Step-by-step explanation:
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Sin55 = x/26
26sin55 = x
x = 21.298
Answer:
28
Step-by-step explanation:
4/ 1/7 = 4 x 7/1 = 4 x 7 = 28