Answer:
52 white keys to 36 black keys hope that helps
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
Well substitute (if there is no sign and their all stocked together, it’s multiplication)
5(3)2 - 5(3)-8
30-7
23
Answer:
The stack is 4½ inches tall.
Step-by-step explanation:
If both books are the same thickness, you are adding 2¼ + 2¼. This means that it will be 4 and two quarters. 2/4 is the same as 1/2, so simplifying gives you 4½.
Answer:

Step-by-step explanation:




Answer:
90 Degrees
Step-by-step explanation:
The square at the bottom left corner of the triangle is ALWAYS equal to 90 degrees. I hope this helps :)