What expression is equivalent to (-2)(a + 6)?
a) -2a + 6
b) 2a - 12
c) -2a - 12
d) -2a + 12

-2a -12

Step-by-step explanation:

First you would do -2 times a which is -2a

And then -2 times 6 which equals -12

Put them together and you get -2a -12 which could also equal 2a +12 but that's not an answer choice

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.

86

step-by-step explanation:

find the area of the triangle then multiply by 2 then add the area of the parollelegram multiplied by 2