Answer:
a=18
Step-by-step explanation:
-2a-10+a=-28
-1a-10=-28
+10 +10
-1a=-18
divide by -1
a=18
Answer:
$20 simple interest.
Step-by-step explanation:
The simple interest that Sami earns is 4% of her deposit since she is trying to find how much she will earn in one year (given that the interest rate is 4% per annum).

∴ Sami earns $20 simple interest in one year.
Hope this helps :)
Well there’s 180° in one triangle. a right angle is 90°. 2x+3x+90=180. 5x=90 divide by five, x=18°
A is one of them, its because they are across from each other :) pls give brainliest
Answer:
1440
Step-by-step explanation:
1440 because u have multiply 120x12 because there r 12 months