Answer:
d
Step-by-step explanation:
The answer is negative two (-2)
-7 * -4 = 28, then divide 14 - 2 to the 2nd power, 14 - 2 to the 2nd power is 10, now divide, 10 by 28 and u get 2.8 then simplify and u get (-2).
Answer:
A. 5a+10
Step-by-step explanation:
a + 20 + 4a - 10
= a + 4a + 20 - 10
= 5a + 10
They're the same. Hopefully this helps.
Answer:
Step-by-step explanation:
If AD is an altitude, then by definition it drops from the vertex angle (the top angle) and meets the base at a right angle, which measures 90 degrees. That means that 17x + 73 is a right angle:
17x + 73 = 90 and
17x = 17 so
x = 1