Answer:
x(3y - 1) and (2a - 3)(2a + 3)
Step-by-step explanation:
(1)
3xy - x ← factor out x from each term
= x(3y - 1)
(2)
4a² - 9 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
4a² - 9
= (2a)² - 3²
= (2a - 3)(2a + 3)
.50(150)+30=$105
8(32)+12 = $268
Answer:
for the first one he will get $51
the second one is £2.70
Step-by-step explanation:
Ms. Drake will earn
in this time from the investment of
at a simple interest with rate of interest 
<h3>What is the definition of simple interest?</h3>
Simple interest is a way to figure out how much interest will be charged on a sum of money at a specific rate and for a specific duration of time. Conversely, for compound interest, where we add the interest of one year's principal to the next year's principal to compute interest, the principal amount under simple interest remains constant.
Formula for finding simple interest is 
Given principal of Ms. Drake is 
Rate of interest is 
Time is
years.
Interest 

Therefore, Ms. Drake will earn
in this time.
To learn more about simple interest from the given link
brainly.com/question/7639734
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When you multiply fractions you want to make them a mixed number then multiply the two top numbers together and then the bottom two together. Basically 6 2/3 would become 20/3 x 5/6... then multiply 5 and 20 together and 3 and 6 together to get 100/18... simplify from there.