Question 1) which statement is true about 63

a) it is a prime number
b) it is a composite number
c) it is a whole number that is neither prime nor composite
d) it is not a whole number

question 2)
which is a true statement about 73
a) it is a prime number
b) it is a composite number
c)it is a whole number that is neither prime nor composite
d) it is not a whole number

If the value of cos330°is√3/2 then find cos 165°.

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?