3. A 9.5 kg copper sculpture heat up during the day from 24°C to 78°C. How

much energy was absorbed?

What is the simplified value of the expression below? 8.5 + (12+4) x2-7 A. 10.5 B. 33.5 C. 88.5 D. 97.5

Solve this system of lineal equations. separate the x - and y - values with a comma 2x=68-12y and 8x=-28+12y

There are 4 black marbles and 2 white marbles in a bag. what is the probability of choosing a black marble, not replacing it, then choosing a white marble?

The number of people, y, at a party that remains after t hours can be modeled by the equation y=.75 (.97) ^t. What is the decrease rate of people at a party?

Out of 18 times at bat Jen got a hit 5/6 of the time. Kasha got 8/9 of the time. Who got more hits? How many more?

Write a linear equation in slope intercept form with a slope of - 1 and a y intercept of 4

The following table gives the scores of 30 students in a mathematics examination. Scores 90-99 80-89 70-79 60-69 50-59 Students 3 7 12 4 4 Find the mean and the standard deviation of the given data.

Determine 18th shape in the pattern

Which type of correlation would you expect between a city's monthly temperature averages and precipitation totals? Why? A) - 1; strong negative correlation, between the monthly temperature averages and the amount of precipitation.

Perform the indicated operation. - 8 + (-4)