01. Considere as matrizes abaixo, sendo "a" um número real, para que tenhamos A . B = C, o valor da variável "a" deverá ser: * A) um número racional, par, maior que 5 e menor que 10. B) um número inteiro, par, maior que 1 e menor que 5. C) um número inteiro, ímpar e primo. D) um número natural, impar, maior que 1 e menor que 5

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

The area of square garden is 300m squared. how long is the diagonal?