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ACT® Math

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Correct Statements

ACTMAT-HLKQJN

Which of the following statements below is/are correct?

(P):

$-4(-3 + 2)$ and $-4 – (3 +2)$ evaluate to the same integer.

(Q):

If the first toss of the coin came down as heads, the probability of the next toss coming down as heads is 50%.

(R):

In the series 1, 3, 27, 2187… each subsequent member is three times the cube of the previous one.

(S):

The expression$ { (x-y) }^{ 3 } $ can be simplified as $(x+y)(x-y)(x+y).$

A

$\text{R and S}$

B

$\text{P and Q}$

C

$\text{Q and S}$

D

$\text{Q only}$

E

$\text{P and S}$