Answer:
Both triangles are right triangles because the angle d is 90 degrees in both sides
3 ^ 2 - 2.25^2 = 1.98
4^2 - 1.98^2 = 3.48
x = 3.48
Answer:
B
Step-by-step explanation:
The expression can be written as

The - can be taken out from under the radicand and a 2 can be factored out of the expression to leave you with the expression

1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
So 16 integers.
Answer:
0.23
Step-by-step explanation:
less than 0.24 and greater than 0.007
42.50$ ? 21 times 1.25 plus 13 times 1.25 = 42.50?