Find the value kk that makes the function continuous. f(x)=\begin{cases} 10x-139, & x>7 \\ kx+8, & x\leq7 \end{cases}

f(x)={

10x−139,

kx+8,



x>7

x≤7

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?