N=90 you have to simplify both sides then isolate the variable :)
About 3.
hope this helped! :)
The answer is D $126,if three cost $54 that means one costs $18 and just multiply it with seven
Answer:
−58.73
Step-by-step explanation:
32−(15.53+7.41+35.79+32)
=−58.73
Answer:
4 3/4
Step-by-step explanation:
= (8 - 3) + (1/4 - 1/2)
= 5 + 1/4 - (1 x 2 over 2 x 2)
= 5 + 1/4 - 2/4
= 5 and (1/2 over 4)
= 5 + -1/4
= 4 3/4
