Britta and Troy are both infants. Britta says things like “ba-ba-ga-ga,” whereas Troy makes a lot of vowel-like noises. Therefore, Britta is ___________ and Troy is ___________.

Britta and Troy are both infants. Britta makes a lot of vowel-like noises whereas Troy says things like “ba-ba-ga-ga.” Therefore, Britta is ___________ and Troy is ___________.

Solve the system of equations by the substitution method. x + 3y = -13-3x + 2y = -38

Rafi and his mother are walking by a pond when he spots a turtle on a log. Rafi wants to bring the turtle to his mother’s attention, so he waves his hands in the direction of the log. Rafi’s mother looks at the turtle and exclaims, “Wow, look at the turtle!” When Rafi and his mother watch the turtle together, this is an example of which of the following?

Which of the following is the first sign of puberty in males?  

On average, how much weight and height does a toddler gain each year?

Solve by the method of your choice.x2 + y2 = 8 3x + y2 = -2

Maeve expects her young children to follow a strict bedtime routine. She yells if they are a minute behind schedule, and they lose their television privileges for a week if they do not complete the routine in the correct order. Maeve has which of the following child-rearing styles?

Solve. + 5 = 0

Determine whether the given ordered pair is a solution of the system.(4, 3)4x – y = 193x + 4y = 24