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Valeria surveys a different random sample of 40 students and finds that 18 of the students speak Spanish at home. Based on her sample, what percentage of students at the school speak Spanish at home?

Valeria surveys a different random sample of 40 students and finds that 18 of …

"To effectively communicate, we must realise that we are all different in the way we perceive the world and use this understanding as a guide to our communication with others." What does this quote mean and how does it apply to you?

"To effectively communicate, we must realise that we are all different in…

A 10kg block of material is heated by an electric heater rated at 90w lf the temperature of the block rais by 15⁰c and no heat energy last to the surrounding for how many long is the heater switehed on​

A 10kg block of material is heated by an electric heater rated at 90w lf the t…