Write the following in interval notation.{x| x ? -7}
A. [-7,-?)
B. (-?,-7]
C. (?,-7]
D. [-7,?)
Answer: B
Mathematics
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Letting r stand for "The food is good," p stand for "I eat too much," and q stand for "I'll exercise," write the following in symbolic form.If the food is good, then I eat too much.
A. r ? p B. p ? q C. p ? r D. r ? p
Mathematics
Solve the equation. First simplify the expression by combining like terms.4(2z - 5) = 7(z + 5)
A. -15 B. 19 C. 15 D. 55
Mathematics
Write the equation in slope-intercept form.3x + 7y = 1
A. y = 3x + 9
B. y = 
x + 
C. y = 
x - 
D. y = 
x + 
Mathematics
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 9% of 8200?
A. 7380 B. 8380 C. 838 D. 738
Mathematics