Calcule o valor da seguinte expressão numérica: 20 - (16 + 17) - [15 - (18 - 23)] * 5 pontos
a) -30.
b) -31.
c) -32.
d) -33.
2) Qual é o resultado para

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)