Work out 2/5 − 1/4. Click the answer in lowest terms.
- 11/20
- 27/20
- 31
- 43/20
Work out 2/5 − 1/4. Click the answer in lowest terms.
Calculate x = 4.3 × 0.4 without a calculator. Give the exact value.
The line graph shows the outdoor temperature every 2 hours, from hour 0 to hour 10. What was the largest increase Δ between two neighbouring readings (2 hours apart)?
A student’s quiz scores are 88, 56, 68, 56. What is the mean score x̄?
Solve for x: 3(x − 4) = 6x + 12.
The weather forecast for a city is 23 °F. What is that temperature T in degrees Celsius?
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