Perfect square is
a²+2ab+b²

so just take the square root of the end ones and add then double to get middle term

A.
m+10=10m, doubled is 20m
nope

B.
m+5=5m, doubled is 10m, yep

C.
m+2√15=fancy thing that won't get to 36m

D.
m+12=12m, doubled is 24m, yep

B and D

3 0

3 years ago

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If money in a savings account earned 8% interest per annum, how much nterest would be earned on $150.00 over three years?

Pani-rosa [81]

Answer:

$36

Step-by-step explanation:

Given :

Interest rate, r = 8% = 0.08

Principal, P = 150

Time, t = 3 years

Simple interest = (principal * rate * time)

Simple interest = (150 * 0.08 * 3)

Simple interest = $36

7 0

3 years ago

PQRS has vertices P(0, 0), Q(4, 2), and S(4, ␣2). Its diagonals intersect at H(4, 0). What are the possible coordinates of R for

True [87]

Any point on the x-axis beyond the point (4, 0) is a possible cordinate of R.

8 0

3 years ago