Consider the equation 7x + 4 = ax + b. For each pair of values for a and b, determine the number of solutions that the equation has.
Select No Solution, One Solution, or Infinitely Many Solutions for each pair of values.
a= 7.b = -4
O No Solution
o One Solution
• Infinitely Many Solutions
a = 4, b = 7
No Solution
One Solution
Infinitely Many Solutions
a = 7,6 = 4
No Solution
One Solution
Infinitely Many Solutions
a = -7.64
No Solution
One Solution
Infinitely Many Solutions
INTL
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Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota