Is 9/10 irrational

Is -15/7 irrational

Neither are irrational

Step-by-step explanation:

As per its definition, an irrational number is a number that cannot be expressed as a fraction. Both of the given numbers are in fractional form, therefore, neither of them are irrational.

irrational, cannot

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%