O índice de massa corporal de uma pessoa é calculado pela razão m/h² em que M representa
o valor da massa da pessoa em kg. e H representa a medida da altura da pessoa, em m. Joana tem 1,5 m
de altura e massa corporal de 54 kg.
Qual é o índice de massa corporal de Joana, em kg/m?
A) 15 kg/m²
B) 18 kg/m²
C) 24 kg/m²
D) 36 kg/m²​

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .