Answer:
D
Step-by-step explanation:
D. All of the terms in set D are rational, as they can be expressed as decimal/fractions. sqrt25 is rational, because it simplifies to 5, which is rational.
1cm = 10mm
21cm = 10 x 21 = 210 mm
Answer:
x=7
Step-by-step explanation:
Subtract 3x by 5x and get 2x. Then add 9 to 5 and get 14, then divide 14 by 2 and get x=7
Answer:
84 years old
Step-by-step explanation:
A simple 12 x 7 Since for ever 7 dog years= 1 human year
Answer:7 2/35
Step-by-step explanation:
This is because of pemdas parenthesis exponents multiplication division addition and subtraction