Select the expressions that are equivalent to 5a + 4a. Multi-select Choices: (A)6a + 4a (B)a * 9 (C)9a (D)a^9

Combine like terms: Combine like terms in the expression 5a + 4a. Calculation: 5a + 4a = 9aCompare with choices: Compare the result with the given choices. Calculation: 9a matches with choice (C) 9a.Check other options: Check other choices for equivalence. Calculation: (A) 6a + 4a = 10a, not 9a; (B) a * 9 = 9a, matches; (D) a^9 is not equivalent.

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Select the expressions that are equivalent to $5a + 4a$ . $\newline$ Multi-select Choices: $\newline$ (A) $6a + 4a$ $\newline$ (B) $a \times 9$ $\newline$ (C) $9a$ $\newline$ (D) $a^9$

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Math Problems

Grade 8

Solve multi-step inequalities

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Q. Select the expressions that are equivalent to

5a + 4a

\newline

Multi-select Choices:

\newline

(A)

6a + 4a

\newline

(B)

a \times 9

\newline

(C)

9a

\newline

(D)

a^9

Combine like terms: Combine like terms in the expression $5a + 4a$ . $\newline$ Calculation: $5a + 4a = 9a$
Compare with choices: Compare the result with the given choices. $\newline$ Calculation: $9a$ matches with choice (C) $9a$ .
Check other options: Check other choices for equivalence. $\newline$ Calculation: (A) $6a + 4a = 10a$ , not $9a$ ; (B) $a \times 9 = 9a$ , matches; (D) $a^9$ is not equivalent.