Tanya wants to earn enough money to buy a new Tigers shirt. So far she has earned $20, which is 50% of the money she needs to buy the shirt. How much does the shirt cost? (Hint: It may be useful to draw a picture.)

The shirt costs ?
dollars.

Which of the following expressions are equivalent ?

Ineed if you could explain and give me the answer you! this needs done

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is: