Which equation is an example of a synthesis reaction?

A. CaO + CO2 → CaCO3

B. 2NaCl → 2Na + Cl2

C. HCl + NaOH → NaCl + H2O

D. MgI2 + Cl2 → MgCl2 + I2

Scott was going to sell all of his stamps collection to buy a video game. after selling half of them he changed his mind. he then bought sixteen more. how many did he start with if he now has 29?

At lake middle school, the average ratio of boys to girls in a a classroom is 3:2. use a proportion to predict the number of girls in a classroom of 15 boys. how many students are in the classroom total?

A 3-column table with 5 rows. Column 1 is labeled Week (w) with entries 0, 1, 2, 3, 4. Column 2 is labeled Plant 1 (h) with entries 2.5, 2.9, 3.1, 3.5, 3.9. Column 3 is labeled Plant 2 (h) with entries 2.5, 2.7, 2.9, 3.1, 3.3. Plant 1: h = 2.

Which sample fairly represents the population? . 1. measuring the heights of every fiftieth person on the school roster to determine the average heights of the boys in the school 2.

Change 2pi over 3 radians into degrees

Mario cut a pizza into 9 equal slices he put the slices of pizza on each of 5 plates what is the measure for the angle of the slices that are left

Circle the digit in the ones place. Then write even or odd. 36 is?

1 3/5 •1 2/5 = Find the value of each expression in lowest terms. That dot between the numbers is times

What's the relationship between 0.04 and 0.004?

The length of a rectangular garden is 7 meters longer than its width. if its perimeter is (12 x + 14) meters, find its length in terms of x.