Use the square root method to solve the equation. x2 - 64 = 0
A. 32
B. 8
C. ±9
D. ±8
Answer: D
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If a function decreases by 7% each year, then the yearly decay factor is ?
A. 1.07 B. 7 C. 0.07 D. 0.93
Find the indicated partial sum for the given sequence.s5, - 
, 
, - 
, 
, . . .
A. - 
B. - 
C. - 
D. - 
A radioactive substance decays at a rate directly proportional to the amount present. If the substance is present in the amount of 
g initially 
, find the amount present in grams at any time
src="https://sciemce.com/media/3/ppg__cognero__9.1_Differential_Equations__media__5d84b819-b3a8-4116-91be-87875b418c09.PNG" style="vertical-align: middle;" />. Formulate but do not solve the problem in terms of a differential equation with a side condition. What will be an ideal response?
Translate to an equation. Do not solve.31 is what percent of 67?
A. 31 = p × 67 B. 31 = p × 67% C. 31 × p = 67 D. 31% = p × 67