The product of a number and its multiplicative inverse is 1.
Answer:
b
Step-by-step explanation:
5(0)-3(-4)=12 that simply's to 0+12=12
its no subtraction sign cause cant have a double negative
Answer:

Step-by-step explanation:

A)The angles are neither complementary nor supplementary.
Complementary- Two angles whose sum add up to 90° ( a right angle)
Supplementary-Two angels whose sum when added together is 180°
It seems to be a obtuse angle - more than 90° but less than 180°
Answer:
x = 
Step-by-step explanation:
The altitude of the triangle must equal 4 because it is a right triangle with another leg of 3 and a hypotenuse of 5 (reason is due to the pythagorean theorem)
Therefore, the triangle on the right has legs of 4 and 7 and, again, use the phythagorean theorem to find 'x' (the hypotenuse)
+
= 
16 + 49 = 
65 = 
x = sq rt 65