4. The conditional statement"If mC- 97°, then 2C is obtuse" is true. Which of the following statements must also be true?
1. If ZC is obtuse, then m_C= 97º.
2. IfZC is not obtuse, then mzC979.
3. IF mZC+970, then ZC is not obtuse.

A. 1 and 2 only
B. 2 and 3 only
C. 2 only
D. 3 only

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5

i need a picure

step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: