Q10. Which out of the following are expressions with both variable and numbers only?
(a) p-9p-9
(b) (11x20)-8x(11x20)-8x
(c) 5(21-7)+7x2+p5(21-7)+7x2+p
(d) 1
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Step-by-step explanation:
question a, b, c are with both variable and constant
but question d is with only constant with no variables
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