Answer:
16
Step-by-step explanation:
Given
4c + d and c = 5, d = - 4, then substitute values into the expression
= (4 × 5) + (- 4) = 20 - 4 = 16
Answer:
0.91
Step-by-step explanation:
Answer:
3x² - 7
Step-by-step explanation:
3 times (number squared) and sum with (-7)
3 times x² and add (-7)
3x² + (-7)
3x² - 7
Answer:
94
Step-by-step explanation: