Question 141
If f(x) = 2x + 3, what is f^(-1)(7)?AlgebraAlgebramedium
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Question 142
Find the length of the diagonal of a rectangle with length 9 cm and width 12 cm.MensurationMensurationmedium
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Question 143
What is the value of 8 × (5 + 3)?Number operationsNumber operationseasy
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Question 144
If x + 7 = 12, what is the value of x?Linear equationsLinear equationseasy
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Question 145
What is the solution set for the quadratic equation x² - 9 = 0?Quadratic equationsQuadratic equationsmedium
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Question 146
If sin θ = 0.6, what is the value of cos θ when θ is an acute angle?TrigonometryTrigonometrymedium
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Question 147
Find the probability of drawing a red card from a standard deck of 52 cards.Statistics and probabilityStatistics and probabilityeasy
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Question 148
Solve the equation 3x - 4 = 2x + 5.Linear equationsLinear equationseasy
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Question 149
A triangle has sides of length 7 cm, 24 cm and 25 cm. Is it a right triangle?TrigonometryTrigonometrymedium
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Question 150
The quadratic equation x² + 6x + 10 = 0 has roots:Quadratic equationsQuadratic equationshard
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