Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Add the integers.-474 + 858
A. 284 B. 384 C. 376 D. 1332
Mathematics
Find the GCF.x5y5, x4y3, x4y4, -x y
A. x3y3 B. x4y3 C. x y D. -xy
Mathematics
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 1.0 × 10-6.
A. -8 B. -6 C. 6 D. 8
Mathematics
Solve.Devon received a birthday check for $40.00 from his aunt. He immediately cashed the check and went on a shopping spree. In three different stores he spent $11.21, $11.25, and $6.24, respectively. How much was left of the birthday money after these purchases?
A. $11.30 B. $11.60 C. $28.70 D. $12.30
Mathematics