These are symbals used to group numbers together

78.50=1.50x+.50y when x+y=87

Which phrase matches the algebraic expression below 2 (x-7) + 10 A two times the sum of the X and Seven plus ten B two times the diffrence of x and seven plus ten C two times x minus seven plus ten D two times x minus the sum of seven and ten

Determine if the statement is true or false. If a linear system has the same number of equations and variables, then it must have a unique solution. True False

A recipe for 4 loaves of bread uses 3 tablespoons honey. How much honey is needed for 24 loaves of bread? A. 6 tablespoons B. 8 tablespoons C. 12 tablespoons D. 18 tablespoons

Which expressions represent the product of exactly two factors? (choose 2 answers) A. x+y B. 5 (x+y) C. (x-y) (x+y) D. xyz Best answer gets brainliest.

An SRS of size n was taken to estimate mean body mass index (BMI) for girls between 13 and 19 years of age. The 95% confidence interval obtained had lower limit 19.5 and upper limit 26.3. Which of the following is NOT true? 1.

Assume each newborn baby had a probability of approximately 0.54 of being female and 0.46 of being male binomial distribution?

At Davidson's Bike Rentals m, it cost $17 to rent a bike for 4 hours. How many hours of bike use does a customer get per dollar?

What is k in terms of n?

Each time you roll a die how many equally likely outcomes are there?