8-1×0+2÷2+=? ?
it's a question that looks simple but isn't

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Write the inverse of the logarithmic function used to represent the situation in model 1, f(x)=3+2in x . express the answer in radical form.

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?