How do I solve 1/2x+13=9

Which monomial function, y = ax^n, is described by the following statements? As x > 0 increases, f (x) decreases. As x < 0 decreases, f (x) decreases. A.) odd monomial function with positive a B.) odd monomial function with negative a C.

Fiona is choosing flower bouquets for her wedding. The probability that a bouquet has roses is 0.98, has orchids is 0.87, or has daisies is 0.94.

Emma and Gavin both worked at a pizza place. The ratio of money they earned in tips was 2:3. If Emma earned $40, how much did they make all together?

Whats 35.78 rounded to the nearest whole second?

Of all the houses on kermit lane, 20 have front porches, 20 have front yards, and 40 have back yards. how many houses are on kermit lane?

Anton has 4 pennies, 1 dime, and 2 dollar bills. He buys a granola bar for $0.89. How much money does he have left? ones, tenths, hundredths

An expression is written as m-5 (m+3) + 7m. What is the value of the expression when m=x+1?

Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 10 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days?

Jasmin's dog weighs 58 pounds. Her vet told her that a healthy weight for her dog would be less than or equal to 40 pounds. Jasmin's dog can lose an average of 1.5 pounds every week.

A town with an initial population of 2,000 doubling in size every 10 years. Exponential function or no?