How i describe the algebraic expression of n+4

What is - 4/10 + 5/10

Sarah went to the candy store to buy treats for her halloween party. She came out with 11 pounds of candy. She bought m&m's for $2/lb and raisinets for $1.50/lb. She spent $19 altogether, how many pounds of each type of candy did she get?

Tito Jackson had $30.85. He took a friend to get dinner and froyo and the bill was $48.67. How much money does he have left in his account after this dinner?

Colleen divided integer a by - 2 and got 6. Then she divided 6 by integer b and got - 3. Find the quotient of integer a and integer b.

At your summer job with a research company, You must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is mostly likely to be random? A.

Kimi and Debbie are walking to their classes at Weston College. Kimi comes from her dorm room, walking at a speed of 3 kilometers per hour down a straight path.

Find 3 consecutive integers such that the sum of smallest and five times the largest is 196

Is it possible for two different quadratic functions to share the same zeros? use a graph to justify your response

Karma's age is 2 years less than three eighths of her fathers age. If Karma is 13 years old, how old is her father?

Factor the expression. 120k^3-80k^2+144k-96