if i am right you would multiply x= -3 by -3 and you get 9 so you would do the same thing to the y as well so y= -7 and you multiply it by -3 and then y= 21
Let's begin by listing out the information given to us:
There are four students: n = 4
Number of students to be selected: r = 2
To calculate the combination of 2 students to be chosen, we use:

Therefore, there 12 possible combinations from these
The government is composed three branches namely: executive branch which constitute the President, cabinet members and heads of independent agencies; legislative branch which contains the two houses of Congress-- the Senate and the House of Representatives; and, the judicial branch which is comprised of the Supreme Court or judges, <span>a chief justice </span><span><span><span><span>and eight associate justices</span></span></span>.
These three branches aims to have a good government which imposes laws, reinforce them, and strictly abide them.
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Answer:
2x + (2 × 6)
since we are expanding, we represent 2 multiplying to every expression in the given parentheses
Answer: 3 & 1
Step-by-step explanation: