How many solutions does this following equation have? -15y + 7 +17y = 2y + 70

The equation has no solution

given - 15y + 7 + 17y = 2y + 70, then

2y + 7 = 2y + 70 ← not possible

there is no solution to the equation

we obtain 0 = 63 ← not possible

answer: the two figures are congruent.

step-by-step explanation: they're congruent because figure efgh is reflected across the x and y axis but it was also rotated.

hope it !

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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