M+p=475
m=p-61
replace m in equation 1 with p-61: p-61+p=475
2p=475+61=536
p=268
m=207
Answer:
Mary is 7
Step-by-step explanation:
If their ages combined equals 21 and john is twice Mary’s age then johns age takes up 2/3 of 21. that would b 14. 14 is 2 x 7. and Mary is 7. 14+7=21. Mary is 7 years old
Answer:
I think it is D. You might need to ask somebody else to be positive!!
Step-by-step explanation:
Answer:
The price of a game is 
Step-by-step explanation:
Let
x ----> the list price of a game
Remember that

To find out the price of a game that's been discounted 18% off its list price, multiply the list price by the number 0.82
so

Answer:
![(\sqrt[3]{7} )^4](https://tex.z-dn.net/?f=%28%5Csqrt%5B3%5D%7B7%7D%20%29%5E4)
Step-by-step explanation:
here's a tip!
to remember which part of the fractional exponent goes on the radical or which one is the exponent think of the simple
which equals 
this way you can remember that which ever number is in the denominator of the fractional exponent goes onto the radical.